130741880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105437}}^1$

素因数の和:105479

約数の個数: 32

約数和(自身を含む): 303661440

約数和(自身を除く): 172919560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 105437, 210874, 421748, 527185, 843496, 1054370, 2108740, 3268547, 4217480, 6537094, 13074188, 16342735, 26148376, 32685470, 65370940, 130741880]

約数ペア:

[(1, 130741880), (2, 65370940), (4, 32685470), (5, 26148376), (8, 16342735), (10, 13074188), (20, 6537094), (31, 4217480), (40, 3268547), (62, 2108740), (124, 1054370), (155, 843496), (248, 527185), (310, 421748), (620, 210874), (1240, 105437)]