201961250

素因数分解:

$2^1\times 5^4\times {\mathrm{161569}}^1$

素因数の和:161591

約数の個数: 20

約数和(自身を含む): 378558510

約数和(自身を除く): 176597260

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 161569, 323138, 807845, 1615690, 4039225, 8078450, 20196125, 40392250, 100980625, 201961250]

約数ペア:

[(1, 201961250), (2, 100980625), (5, 40392250), (10, 20196125), (25, 8078450), (50, 4039225), (125, 1615690), (250, 807845), (625, 323138), (1250, 161569)]