31579780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23567}}^1$

素因数の和:23643

約数の個数: 24

約数和(自身を含む): 67310208

約数和(自身を除く): 35730428

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 23567, 47134, 94268, 117835, 235670, 471340, 1578989, 3157978, 6315956, 7894945, 15789890, 31579780]

約数ペア:

[(1, 31579780), (2, 15789890), (4, 7894945), (5, 6315956), (10, 3157978), (20, 1578989), (67, 471340), (134, 235670), (268, 117835), (335, 94268), (670, 47134), (1340, 23567)]