71433640

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{3301}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 161071560

約数和(自身を除く): 89637920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 3301, 4328, 5410, 6602, 10820, 13204, 16505, 21640, 26408, 33010, 66020, 132040, 1785841, 3571682, 7143364, 8929205, 14286728, 17858410, 35716820, 71433640]

約数ペア:

[(1, 71433640), (2, 35716820), (4, 17858410), (5, 14286728), (8, 8929205), (10, 7143364), (20, 3571682), (40, 1785841), (541, 132040), (1082, 66020), (2164, 33010), (2705, 26408), (3301, 21640), (4328, 16505), (5410, 13204), (6602, 10820)]