40118680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143281}}^1$

素因数の和:143299

約数の個数: 32

約数和(自身を含む): 103163040

約数和(自身を除く): 63044360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143281, 286562, 573124, 716405, 1002967, 1146248, 1432810, 2005934, 2865620, 4011868, 5014835, 5731240, 8023736, 10029670, 20059340, 40118680]

約数ペア:

[(1, 40118680), (2, 20059340), (4, 10029670), (5, 8023736), (7, 5731240), (8, 5014835), (10, 4011868), (14, 2865620), (20, 2005934), (28, 1432810), (35, 1146248), (40, 1002967), (56, 716405), (70, 573124), (140, 286562), (280, 143281)]