7898980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2423}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 16696512

約数和(自身を除く): 8797532

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2423, 3260, 4846, 9692, 12115, 24230, 48460, 394949, 789898, 1579796, 1974745, 3949490, 7898980]

約数ペア:

[(1, 7898980), (2, 3949490), (4, 1974745), (5, 1579796), (10, 789898), (20, 394949), (163, 48460), (326, 24230), (652, 12115), (815, 9692), (1630, 4846), (2423, 3260)]