7764560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 18320256

約数和(自身を除く): 10555696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1367, 1420, 2734, 2840, 5468, 5680, 6835, 10936, 13670, 21872, 27340, 54680, 97057, 109360, 194114, 388228, 485285, 776456, 970570, 1552912, 1941140, 3882280, 7764560]

約数ペア:

[(1, 7764560), (2, 3882280), (4, 1941140), (5, 1552912), (8, 970570), (10, 776456), (16, 485285), (20, 388228), (40, 194114), (71, 109360), (80, 97057), (142, 54680), (284, 27340), (355, 21872), (568, 13670), (710, 10936), (1136, 6835), (1367, 5680), (1420, 5468), (2734, 2840)]