81104620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2111}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 182020608

約数和(自身を除く): 100915988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 113, 170, 226, 340, 452, 565, 1130, 1921, 2111, 2260, 3842, 4222, 7684, 8444, 9605, 10555, 19210, 21110, 35887, 38420, 42220, 71774, 143548, 179435, 238543, 358870, 477086, 717740, 954172, 1192715, 2385430, 4055231, 4770860, 8110462, 16220924, 20276155, 40552310, 81104620]

約数ペア:

[(1, 81104620), (2, 40552310), (4, 20276155), (5, 16220924), (10, 8110462), (17, 4770860), (20, 4055231), (34, 2385430), (68, 1192715), (85, 954172), (113, 717740), (170, 477086), (226, 358870), (340, 238543), (452, 179435), (565, 143548), (1130, 71774), (1921, 42220), (2111, 38420), (2260, 35887), (3842, 21110), (4222, 19210), (7684, 10555), (8444, 9605)]