78130180

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{6311}}^1$

素因数の和:6939

約数の個数: 24

約数和(自身を含む): 164364480

約数和(自身を除く): 86234300

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 6311, 12380, 12622, 25244, 31555, 63110, 126220, 3906509, 7813018, 15626036, 19532545, 39065090, 78130180]

約数ペア:

[(1, 78130180), (2, 39065090), (4, 19532545), (5, 15626036), (10, 7813018), (20, 3906509), (619, 126220), (1238, 63110), (2476, 31555), (3095, 25244), (6190, 12622), (6311, 12380)]