64516580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104059}}^1$

素因数の和:104099

約数の個数: 24

約数和(自身を含む): 139856640

約数和(自身を除く): 75340060

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104059, 208118, 416236, 520295, 1040590, 2081180, 3225829, 6451658, 12903316, 16129145, 32258290, 64516580]

約数ペア:

[(1, 64516580), (2, 32258290), (4, 16129145), (5, 12903316), (10, 6451658), (20, 3225829), (31, 2081180), (62, 1040590), (124, 520295), (155, 416236), (310, 208118), (620, 104059)]