39775000

素因数分解:

$2^3\times 5^5\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 97962480

約数和(自身を除く): 58187480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 74, 86, 100, 125, 148, 172, 185, 200, 215, 250, 296, 344, 370, 430, 500, 625, 740, 860, 925, 1000, 1075, 1250, 1480, 1591, 1720, 1850, 2150, 2500, 3125, 3182, 3700, 4300, 4625, 5000, 5375, 6250, 6364, 7400, 7955, 8600, 9250, 10750, 12500, 12728, 15910, 18500, 21500, 23125, 25000, 26875, 31820, 37000, 39775, 43000, 46250, 53750, 63640, 79550, 92500, 107500, 115625, 134375, 159100, 185000, 198875, 215000, 231250, 268750, 318200, 397750, 462500, 537500, 795500, 925000, 994375, 1075000, 1591000, 1988750, 3977500, 4971875, 7955000, 9943750, 19887500, 39775000]

約数ペア:

[(1, 39775000), (2, 19887500), (4, 9943750), (5, 7955000), (8, 4971875), (10, 3977500), (20, 1988750), (25, 1591000), (37, 1075000), (40, 994375), (43, 925000), (50, 795500), (74, 537500), (86, 462500), (100, 397750), (125, 318200), (148, 268750), (172, 231250), (185, 215000), (200, 198875), (215, 185000), (250, 159100), (296, 134375), (344, 115625), (370, 107500), (430, 92500), (500, 79550), (625, 63640), (740, 53750), (860, 46250), (925, 43000), (1000, 39775), (1075, 37000), (1250, 31820), (1480, 26875), (1591, 25000), (1720, 23125), (1850, 21500), (2150, 18500), (2500, 15910), (3125, 12728), (3182, 12500), (3700, 10750), (4300, 9250), (4625, 8600), (5000, 7955), (5375, 7400), (6250, 6364)]