15522140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18049}}^1$

素因数の和:18101

約数の個数: 24

約数和(自身を含む): 33356400

約数和(自身を除く): 17834260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18049, 36098, 72196, 90245, 180490, 360980, 776107, 1552214, 3104428, 3880535, 7761070, 15522140]

約数ペア:

[(1, 15522140), (2, 7761070), (4, 3880535), (5, 3104428), (10, 1552214), (20, 776107), (43, 360980), (86, 180490), (172, 90245), (215, 72196), (430, 36098), (860, 18049)]