78570920

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{1531}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 177037920

約数和(自身を除く): 98467000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 1531, 2566, 3062, 5132, 6124, 6415, 7655, 10264, 12248, 12830, 15310, 25660, 30620, 51320, 61240, 1964273, 3928546, 7857092, 9821365, 15714184, 19642730, 39285460, 78570920]

約数ペア:

[(1, 78570920), (2, 39285460), (4, 19642730), (5, 15714184), (8, 9821365), (10, 7857092), (20, 3928546), (40, 1964273), (1283, 61240), (1531, 51320), (2566, 30620), (3062, 25660), (5132, 15310), (6124, 12830), (6415, 12248), (7655, 10264)]