28942220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46681}}^1$

素因数の和:46721

約数の個数: 24

約数和(自身を含む): 62740608

約数和(自身を除く): 33798388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 46681, 93362, 186724, 233405, 466810, 933620, 1447111, 2894222, 5788444, 7235555, 14471110, 28942220]

約数ペア:

[(1, 28942220), (2, 14471110), (4, 7235555), (5, 5788444), (10, 2894222), (20, 1447111), (31, 933620), (62, 466810), (124, 233405), (155, 186724), (310, 93362), (620, 46681)]