39391240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140683}}^1$

素因数の和:140701

約数の個数: 32

約数和(自身を含む): 101292480

約数和(自身を除く): 61901240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140683, 281366, 562732, 703415, 984781, 1125464, 1406830, 1969562, 2813660, 3939124, 4923905, 5627320, 7878248, 9847810, 19695620, 39391240]

約数ペア:

[(1, 39391240), (2, 19695620), (4, 9847810), (5, 7878248), (7, 5627320), (8, 4923905), (10, 3939124), (14, 2813660), (20, 1969562), (28, 1406830), (35, 1125464), (40, 984781), (56, 703415), (70, 562732), (140, 281366), (280, 140683)]