156940464140

素因数分解:

$2^2\times 5^1\times {\mathrm{17881}}^1\times {\mathrm{438847}}^1$

素因数の和:456737

約数の個数: 24

約数和(自身を含む): 329594157312

約数和(自身を除く): 172653693172

約数列:

[1, 2, 4, 5, 10, 20, 17881, 35762, 71524, 89405, 178810, 357620, 438847, 877694, 1755388, 2194235, 4388470, 8776940, 7847023207, 15694046414, 31388092828, 39235116035, 78470232070, 156940464140]

約数ペア:

[(1, 156940464140), (2, 78470232070), (4, 39235116035), (5, 31388092828), (10, 15694046414), (20, 7847023207), (17881, 8776940), (35762, 4388470), (71524, 2194235), (89405, 1755388), (178810, 877694), (357620, 438847)]