8478280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2683}}^1$

素因数の和:2773

約数の個数: 32

約数和(自身を含む): 19324800

約数和(自身を除く): 10846520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2683, 3160, 5366, 10732, 13415, 21464, 26830, 53660, 107320, 211957, 423914, 847828, 1059785, 1695656, 2119570, 4239140, 8478280]

約数ペア:

[(1, 8478280), (2, 4239140), (4, 2119570), (5, 1695656), (8, 1059785), (10, 847828), (20, 423914), (40, 211957), (79, 107320), (158, 53660), (316, 26830), (395, 21464), (632, 13415), (790, 10732), (1580, 5366), (2683, 3160)]