72659380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88609}}^1$

素因数の和:88659

約数の個数: 24

約数和(自身を含む): 156308040

約数和(自身を除く): 83648660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 88609, 177218, 354436, 443045, 886090, 1772180, 3632969, 7265938, 14531876, 18164845, 36329690, 72659380]

約数ペア:

[(1, 72659380), (2, 36329690), (4, 18164845), (5, 14531876), (10, 7265938), (20, 3632969), (41, 1772180), (82, 886090), (164, 443045), (205, 354436), (410, 177218), (820, 88609)]