51534080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 140790720

約数和(自身を除く): 89256640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 163, 190, 208, 247, 256, 260, 304, 320, 326, 380, 416, 494, 520, 608, 640, 652, 760, 815, 832, 988, 1040, 1216, 1235, 1280, 1304, 1520, 1630, 1664, 1976, 2080, 2119, 2432, 2470, 2608, 3040, 3097, 3260, 3328, 3952, 4160, 4238, 4864, 4940, 5216, 6080, 6194, 6520, 7904, 8320, 8476, 9880, 10432, 10595, 12160, 12388, 13040, 15485, 15808, 16640, 16952, 19760, 20864, 21190, 24320, 24776, 26080, 30970, 31616, 33904, 39520, 40261, 41728, 42380, 49552, 52160, 61940, 63232, 67808, 79040, 80522, 84760, 99104, 104320, 123880, 135616, 158080, 161044, 169520, 198208, 201305, 208640, 247760, 271232, 316160, 322088, 339040, 396416, 402610, 495520, 542464, 644176, 678080, 792832, 805220, 991040, 1288352, 1356160, 1610440, 1982080, 2576704, 2712320, 3220880, 3964160, 5153408, 6441760, 10306816, 12883520, 25767040, 51534080]

約数ペア:

[(1, 51534080), (2, 25767040), (4, 12883520), (5, 10306816), (8, 6441760), (10, 5153408), (13, 3964160), (16, 3220880), (19, 2712320), (20, 2576704), (26, 1982080), (32, 1610440), (38, 1356160), (40, 1288352), (52, 991040), (64, 805220), (65, 792832), (76, 678080), (80, 644176), (95, 542464), (104, 495520), (128, 402610), (130, 396416), (152, 339040), (160, 322088), (163, 316160), (190, 271232), (208, 247760), (247, 208640), (256, 201305), (260, 198208), (304, 169520), (320, 161044), (326, 158080), (380, 135616), (416, 123880), (494, 104320), (520, 99104), (608, 84760), (640, 80522), (652, 79040), (760, 67808), (815, 63232), (832, 61940), (988, 52160), (1040, 49552), (1216, 42380), (1235, 41728), (1280, 40261), (1304, 39520), (1520, 33904), (1630, 31616), (1664, 30970), (1976, 26080), (2080, 24776), (2119, 24320), (2432, 21190), (2470, 20864), (2608, 19760), (3040, 16952), (3097, 16640), (3260, 15808), (3328, 15485), (3952, 13040), (4160, 12388), (4238, 12160), (4864, 10595), (4940, 10432), (5216, 9880), (6080, 8476), (6194, 8320), (6520, 7904)]