76680020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{21419}}^1$

素因数の和:21607

約数の個数: 24

約数和(自身を含む): 161935200

約数和(自身を除く): 85255180

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 21419, 42838, 85676, 107095, 214190, 428380, 3834001, 7668002, 15336004, 19170005, 38340010, 76680020]

約数ペア:

[(1, 76680020), (2, 38340010), (4, 19170005), (5, 15336004), (10, 7668002), (20, 3834001), (179, 428380), (358, 214190), (716, 107095), (895, 85676), (1790, 42838), (3580, 21419)]