201216580

素因数分解:

$2^2\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{7757}}^1$

素因数の和:9063

約数の個数: 24

約数和(自身を含む): 422935128

約数和(自身を除く): 221718548

約数列:

[1, 2, 4, 5, 10, 20, 1297, 2594, 5188, 6485, 7757, 12970, 15514, 25940, 31028, 38785, 77570, 155140, 10060829, 20121658, 40243316, 50304145, 100608290, 201216580]

約数ペア:

[(1, 201216580), (2, 100608290), (4, 50304145), (5, 40243316), (10, 20121658), (20, 10060829), (1297, 155140), (2594, 77570), (5188, 38785), (6485, 31028), (7757, 25940), (12970, 15514)]