201580360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70979}}^1$

素因数の和:71061

約数の個数: 32

約数和(自身を含む): 459950400

約数和(自身を除く): 258370040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70979, 141958, 283916, 354895, 567832, 709790, 1419580, 2839160, 5039509, 10079018, 20158036, 25197545, 40316072, 50395090, 100790180, 201580360]

約数ペア:

[(1, 201580360), (2, 100790180), (4, 50395090), (5, 40316072), (8, 25197545), (10, 20158036), (20, 10079018), (40, 5039509), (71, 2839160), (142, 1419580), (284, 709790), (355, 567832), (568, 354895), (710, 283916), (1420, 141958), (2840, 70979)]