61115420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{74531}}^1$

素因数の和:74581

約数の個数: 24

約数和(自身を含む): 131474448

約数和(自身を除く): 70359028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 74531, 149062, 298124, 372655, 745310, 1490620, 3055771, 6111542, 12223084, 15278855, 30557710, 61115420]

約数ペア:

[(1, 61115420), (2, 30557710), (4, 15278855), (5, 12223084), (10, 6111542), (20, 3055771), (41, 1490620), (82, 745310), (164, 372655), (205, 298124), (410, 149062), (820, 74531)]