181043920

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4909}}^1$

素因数の和:5383

約数の個数: 40

約数和(自身を含む): 421926120

約数和(自身を除く): 240882200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 4909, 7376, 9220, 9818, 18440, 19636, 24545, 36880, 39272, 49090, 78544, 98180, 196360, 392720, 2263049, 4526098, 9052196, 11315245, 18104392, 22630490, 36208784, 45260980, 90521960, 181043920]

約数ペア:

[(1, 181043920), (2, 90521960), (4, 45260980), (5, 36208784), (8, 22630490), (10, 18104392), (16, 11315245), (20, 9052196), (40, 4526098), (80, 2263049), (461, 392720), (922, 196360), (1844, 98180), (2305, 78544), (3688, 49090), (4610, 39272), (4909, 36880), (7376, 24545), (9220, 19636), (9818, 18440)]