25783940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 68941824

約数和(自身を除く): 43157884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 457, 620, 806, 868, 910, 914, 1085, 1612, 1820, 1828, 2015, 2170, 2285, 2821, 3199, 4030, 4340, 4570, 5642, 5941, 6398, 8060, 9140, 11284, 11882, 12796, 14105, 14167, 15995, 23764, 28210, 28334, 29705, 31990, 41587, 56420, 56668, 59410, 63980, 70835, 83174, 99169, 118820, 141670, 166348, 184171, 198338, 207935, 283340, 368342, 396676, 415870, 495845, 736684, 831740, 920855, 991690, 1289197, 1841710, 1983380, 2578394, 3683420, 5156788, 6445985, 12891970, 25783940]

約数ペア:

[(1, 25783940), (2, 12891970), (4, 6445985), (5, 5156788), (7, 3683420), (10, 2578394), (13, 1983380), (14, 1841710), (20, 1289197), (26, 991690), (28, 920855), (31, 831740), (35, 736684), (52, 495845), (62, 415870), (65, 396676), (70, 368342), (91, 283340), (124, 207935), (130, 198338), (140, 184171), (155, 166348), (182, 141670), (217, 118820), (260, 99169), (310, 83174), (364, 70835), (403, 63980), (434, 59410), (455, 56668), (457, 56420), (620, 41587), (806, 31990), (868, 29705), (910, 28334), (914, 28210), (1085, 23764), (1612, 15995), (1820, 14167), (1828, 14105), (2015, 12796), (2170, 11882), (2285, 11284), (2821, 9140), (3199, 8060), (4030, 6398), (4340, 5941), (4570, 5642)]