85137640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304063}}^1$

素因数の和:304081

約数の個数: 32

約数和(自身を含む): 218926080

約数和(自身を除く): 133788440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304063, 608126, 1216252, 1520315, 2128441, 2432504, 3040630, 4256882, 6081260, 8513764, 10642205, 12162520, 17027528, 21284410, 42568820, 85137640]

約数ペア:

[(1, 85137640), (2, 42568820), (4, 21284410), (5, 17027528), (7, 12162520), (8, 10642205), (10, 8513764), (14, 6081260), (20, 4256882), (28, 3040630), (35, 2432504), (40, 2128441), (56, 1520315), (70, 1216252), (140, 608126), (280, 304063)]