79394020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28559}}^1$

素因数の和:28707

約数の個数: 24

約数和(自身を含む): 167932800

約数和(自身を除く): 88538780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 28559, 57118, 114236, 142795, 285590, 571180, 3969701, 7939402, 15878804, 19848505, 39697010, 79394020]

約数ペア:

[(1, 79394020), (2, 39697010), (4, 19848505), (5, 15878804), (10, 7939402), (20, 3969701), (139, 571180), (278, 285590), (556, 142795), (695, 114236), (1390, 57118), (2780, 28559)]