69383240

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12479}}^1$

素因数の和:12629

約数の個数: 32

約数和(自身を含む): 157248000

約数和(自身を除く): 87864760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12479, 24958, 49916, 62395, 99832, 124790, 249580, 499160, 1734581, 3469162, 6938324, 8672905, 13876648, 17345810, 34691620, 69383240]

約数ペア:

[(1, 69383240), (2, 34691620), (4, 17345810), (5, 13876648), (8, 8672905), (10, 6938324), (20, 3469162), (40, 1734581), (139, 499160), (278, 249580), (556, 124790), (695, 99832), (1112, 62395), (1390, 49916), (2780, 24958), (5560, 12479)]