2620625

素因数分解:

$5^4\times 7^1\times {\mathrm{599}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 3748800

約数和(自身を除く): 1128175

約数列:

[1, 5, 7, 25, 35, 125, 175, 599, 625, 875, 2995, 4193, 4375, 14975, 20965, 74875, 104825, 374375, 524125, 2620625]

約数ペア:

[(1, 2620625), (5, 524125), (7, 374375), (25, 104825), (35, 74875), (125, 20965), (175, 14975), (599, 4375), (625, 4193), (875, 2995)]