56472040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6691}}^1$

素因数の和:6913

約数の個数: 32

約数和(自身を含む): 127683360

約数和(自身を除く): 71211320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6691, 8440, 13382, 26764, 33455, 53528, 66910, 133820, 267640, 1411801, 2823602, 5647204, 7059005, 11294408, 14118010, 28236020, 56472040]

約数ペア:

[(1, 56472040), (2, 28236020), (4, 14118010), (5, 11294408), (8, 7059005), (10, 5647204), (20, 2823602), (40, 1411801), (211, 267640), (422, 133820), (844, 66910), (1055, 53528), (1688, 33455), (2110, 26764), (4220, 13382), (6691, 8440)]