28004875

素因数分解:

$5^3\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 35197344

約数和(自身を除く): 7192469

約数列:

[1, 5, 25, 125, 157, 785, 1427, 3925, 7135, 19625, 35675, 178375, 224039, 1120195, 5600975, 28004875]

約数ペア:

[(1, 28004875), (5, 5600975), (25, 1120195), (125, 224039), (157, 178375), (785, 35675), (1427, 19625), (3925, 7135)]