28859240

素因数分解:

$2^3\times 5^1\times {\mathrm{721481}}^1$

素因数の和:721492

約数の個数: 16

約数和(自身を含む): 64933380

約数和(自身を除く): 36074140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 721481, 1442962, 2885924, 3607405, 5771848, 7214810, 14429620, 28859240]

約数ペア:

[(1, 28859240), (2, 14429620), (4, 7214810), (5, 5771848), (8, 3607405), (10, 2885924), (20, 1442962), (40, 721481)]