28213750

素因数分解:

$2^1\times 5^4\times {\mathrm{22571}}^1$

素因数の和:22593

約数の個数: 20

約数和(自身を含む): 52886196

約数和(自身を除く): 24672446

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 22571, 45142, 112855, 225710, 564275, 1128550, 2821375, 5642750, 14106875, 28213750]

約数ペア:

[(1, 28213750), (2, 14106875), (5, 5642750), (10, 2821375), (25, 1128550), (50, 564275), (125, 225710), (250, 112855), (625, 45142), (1250, 22571)]