89200420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 193270896

約数和(自身を除く): 104070476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 205, 362, 410, 601, 724, 820, 905, 1202, 1810, 2404, 3005, 3620, 6010, 7421, 12020, 14842, 24641, 29684, 37105, 49282, 74210, 98564, 108781, 123205, 148420, 217562, 246410, 435124, 492820, 543905, 1087810, 2175620, 4460021, 8920042, 17840084, 22300105, 44600210, 89200420]

約数ペア:

[(1, 89200420), (2, 44600210), (4, 22300105), (5, 17840084), (10, 8920042), (20, 4460021), (41, 2175620), (82, 1087810), (164, 543905), (181, 492820), (205, 435124), (362, 246410), (410, 217562), (601, 148420), (724, 123205), (820, 108781), (905, 98564), (1202, 74210), (1810, 49282), (2404, 37105), (3005, 29684), (3620, 24641), (6010, 14842), (7421, 12020)]