31617320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112919}}^1$

素因数の和:112937

約数の個数: 32

約数和(自身を含む): 81302400

約数和(自身を除く): 49685080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112919, 225838, 451676, 564595, 790433, 903352, 1129190, 1580866, 2258380, 3161732, 3952165, 4516760, 6323464, 7904330, 15808660, 31617320]

約数ペア:

[(1, 31617320), (2, 15808660), (4, 7904330), (5, 6323464), (7, 4516760), (8, 3952165), (10, 3161732), (14, 2258380), (20, 1580866), (28, 1129190), (35, 903352), (40, 790433), (56, 564595), (70, 451676), (140, 225838), (280, 112919)]