13216760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8059}}^1$

素因数の和:8111

約数の個数: 32

約数和(自身を含む): 30466800

約数和(自身を除く): 17250040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 8059, 16118, 32236, 40295, 64472, 80590, 161180, 322360, 330419, 660838, 1321676, 1652095, 2643352, 3304190, 6608380, 13216760]

約数ペア:

[(1, 13216760), (2, 6608380), (4, 3304190), (5, 2643352), (8, 1652095), (10, 1321676), (20, 660838), (40, 330419), (41, 322360), (82, 161180), (164, 80590), (205, 64472), (328, 40295), (410, 32236), (820, 16118), (1640, 8059)]