78248980

素因数分解:

$2^2\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{2347}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 164491488

約数和(自身を除く): 86242508

約数列:

[1, 2, 4, 5, 10, 20, 1667, 2347, 3334, 4694, 6668, 8335, 9388, 11735, 16670, 23470, 33340, 46940, 3912449, 7824898, 15649796, 19562245, 39124490, 78248980]

約数ペア:

[(1, 78248980), (2, 39124490), (4, 19562245), (5, 15649796), (10, 7824898), (20, 3912449), (1667, 46940), (2347, 33340), (3334, 23470), (4694, 16670), (6668, 11735), (8335, 9388)]