81344450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1283

約数の個数: 48

約数和(自身を含む): 166462560

約数和(自身を除く): 85118110

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 262, 275, 550, 655, 1129, 1310, 1441, 2258, 2882, 3275, 5645, 6550, 7205, 11290, 12419, 14410, 24838, 28225, 36025, 56450, 62095, 72050, 124190, 147899, 295798, 310475, 620950, 739495, 1478990, 1626889, 3253778, 3697475, 7394950, 8134445, 16268890, 40672225, 81344450]

約数ペア:

[(1, 81344450), (2, 40672225), (5, 16268890), (10, 8134445), (11, 7394950), (22, 3697475), (25, 3253778), (50, 1626889), (55, 1478990), (110, 739495), (131, 620950), (262, 310475), (275, 295798), (550, 147899), (655, 124190), (1129, 72050), (1310, 62095), (1441, 56450), (2258, 36025), (2882, 28225), (3275, 24838), (5645, 14410), (6550, 12419), (7205, 11290)]