40005580

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4339}}^1$

素因数の和:4809

約数の個数: 24

約数和(自身を含む): 84213360

約数和(自身を除く): 44207780

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4339, 4610, 8678, 9220, 17356, 21695, 43390, 86780, 2000279, 4000558, 8001116, 10001395, 20002790, 40005580]

約数ペア:

[(1, 40005580), (2, 20002790), (4, 10001395), (5, 8001116), (10, 4000558), (20, 2000279), (461, 86780), (922, 43390), (1844, 21695), (2305, 17356), (4339, 9220), (4610, 8678)]