54996140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{63949}}^1$

素因数の和:64001

約数の個数: 24

約数和(自身を含む): 118179600

約数和(自身を除く): 63183460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 63949, 127898, 255796, 319745, 639490, 1278980, 2749807, 5499614, 10999228, 13749035, 27498070, 54996140]

約数ペア:

[(1, 54996140), (2, 27498070), (4, 13749035), (5, 10999228), (10, 5499614), (20, 2749807), (43, 1278980), (86, 639490), (172, 319745), (215, 255796), (430, 127898), (860, 63949)]