22856980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12841}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 48542760

約数和(自身を除く): 25685780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12841, 25682, 51364, 64205, 128410, 256820, 1142849, 2285698, 4571396, 5714245, 11428490, 22856980]

約数ペア:

[(1, 22856980), (2, 11428490), (4, 5714245), (5, 4571396), (10, 2285698), (20, 1142849), (89, 256820), (178, 128410), (356, 64205), (445, 51364), (890, 25682), (1780, 12841)]