118976980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{66841}}^1$

素因数の和:66939

約数の個数: 24

約数和(自身を含む): 252662760

約数和(自身を除く): 133685780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 66841, 133682, 267364, 334205, 668410, 1336820, 5948849, 11897698, 23795396, 29744245, 59488490, 118976980]

約数ペア:

[(1, 118976980), (2, 59488490), (4, 29744245), (5, 23795396), (10, 11897698), (20, 5948849), (89, 1336820), (178, 668410), (356, 334205), (445, 267364), (890, 133682), (1780, 66841)]