163960760

素因数分解:

$2^3\times 5^1\times {\mathrm{719}}^1\times {\mathrm{5701}}^1$

素因数の和:6431

約数の個数: 32

約数和(自身を含む): 369489600

約数和(自身を除く): 205528840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719, 1438, 2876, 3595, 5701, 5752, 7190, 11402, 14380, 22804, 28505, 28760, 45608, 57010, 114020, 228040, 4099019, 8198038, 16396076, 20495095, 32792152, 40990190, 81980380, 163960760]

約数ペア:

[(1, 163960760), (2, 81980380), (4, 40990190), (5, 32792152), (8, 20495095), (10, 16396076), (20, 8198038), (40, 4099019), (719, 228040), (1438, 114020), (2876, 57010), (3595, 45608), (5701, 28760), (5752, 28505), (7190, 22804), (11402, 14380)]