998021240

素因数分解:

$2^3\times 5^1\times {\mathrm{5659}}^1\times {\mathrm{4409}}^1$

素因数の和:10079

約数の個数: 32

約数和(自身を含む): 2246454000

約数和(自身を除く): 1248432760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4409, 5659, 8818, 11318, 17636, 22045, 22636, 28295, 35272, 44090, 45272, 56590, 88180, 113180, 176360, 226360, 24950531, 49901062, 99802124, 124752655, 199604248, 249505310, 499010620, 998021240]

約数ペア:

[(1, 998021240), (2, 499010620), (4, 249505310), (5, 199604248), (8, 124752655), (10, 99802124), (20, 49901062), (40, 24950531), (4409, 226360), (5659, 176360), (8818, 113180), (11318, 88180), (17636, 56590), (22045, 45272), (22636, 44090), (28295, 35272)]