22440280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18097}}^1$

素因数の和:18139

約数の個数: 32

約数和(自身を含む): 52122240

約数和(自身を除く): 29681960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 18097, 36194, 72388, 90485, 144776, 180970, 361940, 561007, 723880, 1122014, 2244028, 2805035, 4488056, 5610070, 11220140, 22440280]

約数ペア:

[(1, 22440280), (2, 11220140), (4, 5610070), (5, 4488056), (8, 2805035), (10, 2244028), (20, 1122014), (31, 723880), (40, 561007), (62, 361940), (124, 180970), (155, 144776), (248, 90485), (310, 72388), (620, 36194), (1240, 18097)]