56437280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20749}}^1$

素因数の和:20781

約数の個数: 48

約数和(自身を含む): 141183000

約数和(自身を除く): 84745720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 20749, 41498, 82996, 103745, 165992, 207490, 331984, 352733, 414980, 663968, 705466, 829960, 1410932, 1659920, 1763665, 2821864, 3319840, 3527330, 5643728, 7054660, 11287456, 14109320, 28218640, 56437280]

約数ペア:

[(1, 56437280), (2, 28218640), (4, 14109320), (5, 11287456), (8, 7054660), (10, 5643728), (16, 3527330), (17, 3319840), (20, 2821864), (32, 1763665), (34, 1659920), (40, 1410932), (68, 829960), (80, 705466), (85, 663968), (136, 414980), (160, 352733), (170, 331984), (272, 207490), (340, 165992), (544, 103745), (680, 82996), (1360, 41498), (2720, 20749)]