158426120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127763}}^1$

素因数の和:127805

約数の個数: 32

約数和(自身を含む): 367960320

約数和(自身を除く): 209534200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 127763, 255526, 511052, 638815, 1022104, 1277630, 2555260, 3960653, 5110520, 7921306, 15842612, 19803265, 31685224, 39606530, 79213060, 158426120]

約数ペア:

[(1, 158426120), (2, 79213060), (4, 39606530), (5, 31685224), (8, 19803265), (10, 15842612), (20, 7921306), (31, 5110520), (40, 3960653), (62, 2555260), (124, 1277630), (155, 1022104), (248, 638815), (310, 511052), (620, 255526), (1240, 127763)]