7949420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2081}}^1$

素因数の和:2281

約数の個数: 24

約数和(自身を含む): 16789248

約数和(自身を除く): 8839828

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 2081, 3820, 4162, 8324, 10405, 20810, 41620, 397471, 794942, 1589884, 1987355, 3974710, 7949420]

約数ペア:

[(1, 7949420), (2, 3974710), (4, 1987355), (5, 1589884), (10, 794942), (20, 397471), (191, 41620), (382, 20810), (764, 10405), (955, 8324), (1910, 4162), (2081, 3820)]