78325960

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1531}}^1$

素因数の和:2821

約数の個数: 32

約数和(自身を含む): 176486400

約数和(自身を除く): 98160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1531, 2558, 3062, 5116, 6124, 6395, 7655, 10232, 12248, 12790, 15310, 25580, 30620, 51160, 61240, 1958149, 3916298, 7832596, 9790745, 15665192, 19581490, 39162980, 78325960]

約数ペア:

[(1, 78325960), (2, 39162980), (4, 19581490), (5, 15665192), (8, 9790745), (10, 7832596), (20, 3916298), (40, 1958149), (1279, 61240), (1531, 51160), (2558, 30620), (3062, 25580), (5116, 15310), (6124, 12790), (6395, 12248), (7655, 10232)]