156021940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56123}}^1$

素因数の和:56271

約数の個数: 24

約数和(自身を含む): 330009120

約数和(自身を除く): 173987180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 56123, 112246, 224492, 280615, 561230, 1122460, 7801097, 15602194, 31204388, 39005485, 78010970, 156021940]

約数ペア:

[(1, 156021940), (2, 78010970), (4, 39005485), (5, 31204388), (10, 15602194), (20, 7801097), (139, 1122460), (278, 561230), (556, 280615), (695, 224492), (1390, 112246), (2780, 56123)]