72451220

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4603}}^1$

素因数の和:5399

約数の個数: 24

約数和(自身を含む): 152373984

約数和(自身を除く): 79922764

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 4603, 7870, 9206, 15740, 18412, 23015, 46030, 92060, 3622561, 7245122, 14490244, 18112805, 36225610, 72451220]

約数ペア:

[(1, 72451220), (2, 36225610), (4, 18112805), (5, 14490244), (10, 7245122), (20, 3622561), (787, 92060), (1574, 46030), (3148, 23015), (3935, 18412), (4603, 15740), (7870, 9206)]