7941478.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 175891968

約数和(自身を除く): 94760348

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 607, 652, 815, 820, 1214, 1630, 2428, 3035, 3260, 6070, 6683, 12140, 13366, 24887, 26732, 33415, 49774, 66830, 98941, 99548, 124435, 133660, 197882, 248870, 395764, 494705, 497740, 989410, 1978820, 4056581, 8113162, 16226324, 20282905, 40565810, 81131620]

約数ペア:

[(1, 81131620), (2, 40565810), (4, 20282905), (5, 16226324), (10, 8113162), (20, 4056581), (41, 1978820), (82, 989410), (163, 497740), (164, 494705), (205, 395764), (326, 248870), (410, 197882), (607, 133660), (652, 124435), (815, 99548), (820, 98941), (1214, 66830), (1630, 49774), (2428, 33415), (3035, 26732), (3260, 24887), (6070, 13366), (6683, 12140)]