78869320

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{3359}}^1$

素因数の和:3957

約数の個数: 32

約数和(自身を含む): 177811200

約数和(自身を除く): 98941880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 3359, 4696, 5870, 6718, 11740, 13436, 16795, 23480, 26872, 33590, 67180, 134360, 1971733, 3943466, 7886932, 9858665, 15773864, 19717330, 39434660, 78869320]

約数ペア:

[(1, 78869320), (2, 39434660), (4, 19717330), (5, 15773864), (8, 9858665), (10, 7886932), (20, 3943466), (40, 1971733), (587, 134360), (1174, 67180), (2348, 33590), (2935, 26872), (3359, 23480), (4696, 16795), (5870, 13436), (6718, 11740)]