40779220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70309}}^1$

素因数の和:70347

約数の個数: 24

約数和(自身を含む): 88590600

約数和(自身を除く): 47811380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 70309, 140618, 281236, 351545, 703090, 1406180, 2038961, 4077922, 8155844, 10194805, 20389610, 40779220]

約数ペア:

[(1, 40779220), (2, 20389610), (4, 10194805), (5, 8155844), (10, 4077922), (20, 2038961), (29, 1406180), (58, 703090), (116, 351545), (145, 281236), (290, 140618), (580, 70309)]