51288125

素因数分解:

$5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 77225280

約数和(自身を除く): 25937155

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 617, 625, 665, 875, 2375, 3085, 3325, 4319, 4375, 11723, 11875, 15425, 16625, 21595, 58615, 77125, 82061, 83125, 107975, 293075, 385625, 410305, 539875, 1465375, 2051525, 2699375, 7326875, 10257625, 51288125]

約数ペア:

[(1, 51288125), (5, 10257625), (7, 7326875), (19, 2699375), (25, 2051525), (35, 1465375), (95, 539875), (125, 410305), (133, 385625), (175, 293075), (475, 107975), (617, 83125), (625, 82061), (665, 77125), (875, 58615), (2375, 21595), (3085, 16625), (3325, 15425), (4319, 11875), (4375, 11723)]