71017640

素因数分解:

$2^3\times 5^1\times {\mathrm{1775441}}^1$

素因数の和:1775452

約数の個数: 16

約数和(自身を含む): 159789780

約数和(自身を除く): 88772140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1775441, 3550882, 7101764, 8877205, 14203528, 17754410, 35508820, 71017640]

約数ペア:

[(1, 71017640), (2, 35508820), (4, 17754410), (5, 14203528), (8, 8877205), (10, 7101764), (20, 3550882), (40, 1775441)]