31252400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 81185280

約数和(自身を除く): 49932880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 43, 46, 50, 79, 80, 86, 92, 100, 115, 158, 172, 184, 200, 215, 230, 316, 344, 368, 395, 400, 430, 460, 575, 632, 688, 790, 860, 920, 989, 1075, 1150, 1264, 1580, 1720, 1817, 1840, 1975, 1978, 2150, 2300, 3160, 3397, 3440, 3634, 3950, 3956, 4300, 4600, 4945, 6320, 6794, 7268, 7900, 7912, 8600, 9085, 9200, 9890, 13588, 14536, 15800, 15824, 16985, 17200, 18170, 19780, 24725, 27176, 29072, 31600, 33970, 36340, 39560, 45425, 49450, 54352, 67940, 72680, 78131, 79120, 84925, 90850, 98900, 135880, 145360, 156262, 169850, 181700, 197800, 271760, 312524, 339700, 363400, 390655, 395600, 625048, 679400, 726800, 781310, 1250096, 1358800, 1562620, 1953275, 3125240, 3906550, 6250480, 7813100, 15626200, 31252400]

約数ペア:

[(1, 31252400), (2, 15626200), (4, 7813100), (5, 6250480), (8, 3906550), (10, 3125240), (16, 1953275), (20, 1562620), (23, 1358800), (25, 1250096), (40, 781310), (43, 726800), (46, 679400), (50, 625048), (79, 395600), (80, 390655), (86, 363400), (92, 339700), (100, 312524), (115, 271760), (158, 197800), (172, 181700), (184, 169850), (200, 156262), (215, 145360), (230, 135880), (316, 98900), (344, 90850), (368, 84925), (395, 79120), (400, 78131), (430, 72680), (460, 67940), (575, 54352), (632, 49450), (688, 45425), (790, 39560), (860, 36340), (920, 33970), (989, 31600), (1075, 29072), (1150, 27176), (1264, 24725), (1580, 19780), (1720, 18170), (1817, 17200), (1840, 16985), (1975, 15824), (1978, 15800), (2150, 14536), (2300, 13588), (3160, 9890), (3397, 9200), (3440, 9085), (3634, 8600), (3950, 7912), (3956, 7900), (4300, 7268), (4600, 6794), (4945, 6320)]