20170896640

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{1039}}^1$

素因数の和:1612

約数の個数: 144

約数和(自身を含む): 50125420800

約数和(自身を除く): 29954524160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 523, 580, 640, 928, 1039, 1046, 1160, 1280, 1856, 2078, 2092, 2320, 2615, 3712, 4156, 4184, 4640, 5195, 5230, 7424, 8312, 8368, 9280, 10390, 10460, 15167, 16624, 16736, 18560, 20780, 20920, 30131, 30334, 33248, 33472, 37120, 41560, 41840, 60262, 60668, 66496, 66944, 75835, 83120, 83680, 120524, 121336, 132992, 133888, 150655, 151670, 166240, 167360, 241048, 242672, 265984, 301310, 303340, 332480, 334720, 482096, 485344, 543397, 602620, 606680, 664960, 669440, 964192, 970688, 1086794, 1205240, 1213360, 1329920, 1928384, 1941376, 2173588, 2410480, 2426720, 2716985, 3856768, 3882752, 4347176, 4820960, 4853440, 5433970, 7713536, 8694352, 9641920, 9706880, 10867940, 15758513, 17388704, 19283840, 19413760, 21735880, 31517026, 34777408, 38567680, 43471760, 63034052, 69554816, 78792565, 86943520, 126068104, 139109632, 157585130, 173887040, 252136208, 315170260, 347774080, 504272416, 630340520, 695548160, 1008544832, 1260681040, 2017089664, 2521362080, 4034179328, 5042724160, 10085448320, 20170896640]

約数ペア:

[(1, 20170896640), (2, 10085448320), (4, 5042724160), (5, 4034179328), (8, 2521362080), (10, 2017089664), (16, 1260681040), (20, 1008544832), (29, 695548160), (32, 630340520), (40, 504272416), (58, 347774080), (64, 315170260), (80, 252136208), (116, 173887040), (128, 157585130), (145, 139109632), (160, 126068104), (232, 86943520), (256, 78792565), (290, 69554816), (320, 63034052), (464, 43471760), (523, 38567680), (580, 34777408), (640, 31517026), (928, 21735880), (1039, 19413760), (1046, 19283840), (1160, 17388704), (1280, 15758513), (1856, 10867940), (2078, 9706880), (2092, 9641920), (2320, 8694352), (2615, 7713536), (3712, 5433970), (4156, 4853440), (4184, 4820960), (4640, 4347176), (5195, 3882752), (5230, 3856768), (7424, 2716985), (8312, 2426720), (8368, 2410480), (9280, 2173588), (10390, 1941376), (10460, 1928384), (15167, 1329920), (16624, 1213360), (16736, 1205240), (18560, 1086794), (20780, 970688), (20920, 964192), (30131, 669440), (30334, 664960), (33248, 606680), (33472, 602620), (37120, 543397), (41560, 485344), (41840, 482096), (60262, 334720), (60668, 332480), (66496, 303340), (66944, 301310), (75835, 265984), (83120, 242672), (83680, 241048), (120524, 167360), (121336, 166240), (132992, 151670), (133888, 150655)]