159973640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129011}}^1$

素因数の和:129053

約数の個数: 32

約数和(自身を含む): 371554560

約数和(自身を除く): 211580920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 129011, 258022, 516044, 645055, 1032088, 1290110, 2580220, 3999341, 5160440, 7998682, 15997364, 19996705, 31994728, 39993410, 79986820, 159973640]

約数ペア:

[(1, 159973640), (2, 79986820), (4, 39993410), (5, 31994728), (8, 19996705), (10, 15997364), (20, 7998682), (31, 5160440), (40, 3999341), (62, 2580220), (124, 1290110), (155, 1032088), (248, 645055), (310, 516044), (620, 258022), (1240, 129011)]