210848080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{12491}}^1$

素因数の和:12715

約数の個数: 40

約数和(自身を含む): 492584544

約数和(自身を除く): 281736464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 12491, 16880, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 499640, 999280, 2635601, 5271202, 10542404, 13178005, 21084808, 26356010, 42169616, 52712020, 105424040, 210848080]

約数ペア:

[(1, 210848080), (2, 105424040), (4, 52712020), (5, 42169616), (8, 26356010), (10, 21084808), (16, 13178005), (20, 10542404), (40, 5271202), (80, 2635601), (211, 999280), (422, 499640), (844, 249820), (1055, 199856), (1688, 124910), (2110, 99928), (3376, 62455), (4220, 49964), (8440, 24982), (12491, 16880)]