8071780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 17934336

約数和(自身を除く): 9862556

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 277, 310, 470, 554, 620, 940, 1108, 1385, 1457, 2770, 2914, 5540, 5828, 7285, 8587, 13019, 14570, 17174, 26038, 29140, 34348, 42935, 52076, 65095, 85870, 130190, 171740, 260380, 403589, 807178, 1614356, 2017945, 4035890, 8071780]

約数ペア:

[(1, 8071780), (2, 4035890), (4, 2017945), (5, 1614356), (10, 807178), (20, 403589), (31, 260380), (47, 171740), (62, 130190), (94, 85870), (124, 65095), (155, 52076), (188, 42935), (235, 34348), (277, 29140), (310, 26038), (470, 17174), (554, 14570), (620, 13019), (940, 8587), (1108, 7285), (1385, 5828), (1457, 5540), (2770, 2914)]