71570920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41611}}^1$

素因数の和:41665

約数の個数: 32

約数和(自身を含む): 164783520

約数和(自身を除く): 93212600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41611, 83222, 166444, 208055, 332888, 416110, 832220, 1664440, 1789273, 3578546, 7157092, 8946365, 14314184, 17892730, 35785460, 71570920]

約数ペア:

[(1, 71570920), (2, 35785460), (4, 17892730), (5, 14314184), (8, 8946365), (10, 7157092), (20, 3578546), (40, 1789273), (43, 1664440), (86, 832220), (172, 416110), (215, 332888), (344, 208055), (430, 166444), (860, 83222), (1720, 41611)]