71612780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{58699}}^1$

素因数の和:58769

約数の個数: 24

約数和(自身を含む): 152854800

約数和(自身を除く): 81242020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 58699, 117398, 234796, 293495, 586990, 1173980, 3580639, 7161278, 14322556, 17903195, 35806390, 71612780]

約数ペア:

[(1, 71612780), (2, 35806390), (4, 17903195), (5, 14322556), (10, 7161278), (20, 3580639), (61, 1173980), (122, 586990), (244, 293495), (305, 234796), (610, 117398), (1220, 58699)]