39278680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140281}}^1$

素因数の和:140299

約数の個数: 32

約数和(自身を含む): 101003040

約数和(自身を除く): 61724360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140281, 280562, 561124, 701405, 981967, 1122248, 1402810, 1963934, 2805620, 3927868, 4909835, 5611240, 7855736, 9819670, 19639340, 39278680]

約数ペア:

[(1, 39278680), (2, 19639340), (4, 9819670), (5, 7855736), (7, 5611240), (8, 4909835), (10, 3927868), (14, 2805620), (20, 1963934), (28, 1402810), (35, 1122248), (40, 981967), (56, 701405), (70, 561124), (140, 280562), (280, 140281)]