818528080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{48491}}^1$

素因数の和:48715

約数の個数: 40

約数和(自身を含む): 1912136544

約数和(自身を除く): 1093608464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 48491, 96982, 193964, 242455, 387928, 484910, 775856, 969820, 1939640, 3879280, 10231601, 20463202, 40926404, 51158005, 81852808, 102316010, 163705616, 204632020, 409264040, 818528080]

約数ペア:

[(1, 818528080), (2, 409264040), (4, 204632020), (5, 163705616), (8, 102316010), (10, 81852808), (16, 51158005), (20, 40926404), (40, 20463202), (80, 10231601), (211, 3879280), (422, 1939640), (844, 969820), (1055, 775856), (1688, 484910), (2110, 387928), (3376, 242455), (4220, 193964), (8440, 96982), (16880, 48491)]