28405100

素因数分解:

$2^2\times 5^2\times {\mathrm{284051}}^1$

素因数の和:284065

約数の個数: 18

約数和(自身を含む): 61639284

約数和(自身を除く): 33234184

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284051, 568102, 1136204, 1420255, 2840510, 5681020, 7101275, 14202550, 28405100]

約数ペア:

[(1, 28405100), (2, 14202550), (4, 7101275), (5, 5681020), (10, 2840510), (20, 1420255), (25, 1136204), (50, 568102), (100, 284051)]