51132020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82471}}^1$

素因数の和:82511

約数の個数: 24

約数和(自身を含む): 110842368

約数和(自身を除く): 59710348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 82471, 164942, 329884, 412355, 824710, 1649420, 2556601, 5113202, 10226404, 12783005, 25566010, 51132020]

約数ペア:

[(1, 51132020), (2, 25566010), (4, 12783005), (5, 10226404), (10, 5113202), (20, 2556601), (31, 1649420), (62, 824710), (124, 412355), (155, 329884), (310, 164942), (620, 82471)]