7944980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9689}}^1$

素因数の和:9739

約数の個数: 24

約数和(自身を含む): 17093160

約数和(自身を除く): 9148180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9689, 19378, 38756, 48445, 96890, 193780, 397249, 794498, 1588996, 1986245, 3972490, 7944980]

約数ペア:

[(1, 7944980), (2, 3972490), (4, 1986245), (5, 1588996), (10, 794498), (20, 397249), (41, 193780), (82, 96890), (164, 48445), (205, 38756), (410, 19378), (820, 9689)]