71310020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{19919}}^1$

素因数の和:20107

約数の個数: 24

約数和(自身を含む): 150595200

約数和(自身を除く): 79285180

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 19919, 39838, 79676, 99595, 199190, 398380, 3565501, 7131002, 14262004, 17827505, 35655010, 71310020]

約数ペア:

[(1, 71310020), (2, 35655010), (4, 17827505), (5, 14262004), (10, 7131002), (20, 3565501), (179, 398380), (358, 199190), (716, 99595), (895, 79676), (1790, 39838), (3580, 19919)]