505188260

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{80701}}^1$

素因数の和:81023

約数の個数: 24

約数和(自身を含む): 1064297976

約数和(自身を除く): 559109716

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 80701, 161402, 322804, 403505, 807010, 1614020, 25259413, 50518826, 101037652, 126297065, 252594130, 505188260]

約数ペア:

[(1, 505188260), (2, 252594130), (4, 126297065), (5, 101037652), (10, 50518826), (20, 25259413), (313, 1614020), (626, 807010), (1252, 403505), (1565, 322804), (3130, 161402), (6260, 80701)]