40045445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38321}}^1$

素因数の和:38356

約数の個数: 16

約数和(自身を含む): 55183680

約数和(自身を除く): 15138235

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 38321, 191605, 421531, 728099, 2107655, 3640495, 8009089, 40045445]

約数ペア:

[(1, 40045445), (5, 8009089), (11, 3640495), (19, 2107655), (55, 728099), (95, 421531), (209, 191605), (1045, 38321)]