51731660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42403}}^1$

素因数の和:42473

約数の個数: 24

約数和(自身を含む): 110420016

約数和(自身を除く): 58688356

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 42403, 84806, 169612, 212015, 424030, 848060, 2586583, 5173166, 10346332, 12932915, 25865830, 51731660]

約数ペア:

[(1, 51731660), (2, 25865830), (4, 12932915), (5, 10346332), (10, 5173166), (20, 2586583), (61, 848060), (122, 424030), (244, 212015), (305, 169612), (610, 84806), (1220, 42403)]