78164920

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{3329}}^1$

素因数の和:3927

約数の個数: 32

約数和(自身を含む): 176223600

約数和(自身を除く): 98058680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 3329, 4696, 5870, 6658, 11740, 13316, 16645, 23480, 26632, 33290, 66580, 133160, 1954123, 3908246, 7816492, 9770615, 15632984, 19541230, 39082460, 78164920]

約数ペア:

[(1, 78164920), (2, 39082460), (4, 19541230), (5, 15632984), (8, 9770615), (10, 7816492), (20, 3908246), (40, 1954123), (587, 133160), (1174, 66580), (2348, 33290), (2935, 26632), (3329, 23480), (4696, 16645), (5870, 13316), (6658, 11740)]