315314080

素因数分解:

$2^5\times 5^1\times {\mathrm{1970713}}^1$

素因数の和:1970728

約数の個数: 24

約数和(自身を含む): 744929892

約数和(自身を除く): 429615812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1970713, 3941426, 7882852, 9853565, 15765704, 19707130, 31531408, 39414260, 63062816, 78828520, 157657040, 315314080]

約数ペア:

[(1, 315314080), (2, 157657040), (4, 78828520), (5, 63062816), (8, 39414260), (10, 31531408), (16, 19707130), (20, 15765704), (32, 9853565), (40, 7882852), (80, 3941426), (160, 1970713)]