55719920

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4273}}^1$

素因数の和:4449

約数の個数: 40

約数和(自身を含む): 130374096

約数和(自身を除く): 74654176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4273, 6520, 8546, 13040, 17092, 21365, 34184, 42730, 68368, 85460, 170920, 341840, 696499, 1392998, 2785996, 3482495, 5571992, 6964990, 11143984, 13929980, 27859960, 55719920]

約数ペア:

[(1, 55719920), (2, 27859960), (4, 13929980), (5, 11143984), (8, 6964990), (10, 5571992), (16, 3482495), (20, 2785996), (40, 1392998), (80, 696499), (163, 341840), (326, 170920), (652, 85460), (815, 68368), (1304, 42730), (1630, 34184), (2608, 21365), (3260, 17092), (4273, 13040), (6520, 8546)]