40706680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145381}}^1$

素因数の和:145399

約数の個数: 32

約数和(自身を含む): 104675040

約数和(自身を除く): 63968360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145381, 290762, 581524, 726905, 1017667, 1163048, 1453810, 2035334, 2907620, 4070668, 5088335, 5815240, 8141336, 10176670, 20353340, 40706680]

約数ペア:

[(1, 40706680), (2, 20353340), (4, 10176670), (5, 8141336), (7, 5815240), (8, 5088335), (10, 4070668), (14, 2907620), (20, 2035334), (28, 1453810), (35, 1163048), (40, 1017667), (56, 726905), (70, 581524), (140, 290762), (280, 145381)]