40379978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1861}}^1$

素因数の和:2453

約数の個数: 16

約数和(自身を含む): 63903840

約数和(自身を除く): 23523862

約数列:

[1, 2, 19, 38, 571, 1142, 1861, 3722, 10849, 21698, 35359, 70718, 1062631, 2125262, 20189989, 40379978]

約数ペア:

[(1, 40379978), (2, 20189989), (19, 2125262), (38, 1062631), (571, 70718), (1142, 35359), (1861, 21698), (3722, 10849)]