42151250

素因数分解:

$2^1\times 5^4\times {\mathrm{33721}}^1$

素因数の和:33743

約数の個数: 20

約数和(自身を含む): 79010646

約数和(自身を除く): 36859396

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 33721, 67442, 168605, 337210, 843025, 1686050, 4215125, 8430250, 21075625, 42151250]

約数ペア:

[(1, 42151250), (2, 21075625), (5, 8430250), (10, 4215125), (25, 1686050), (50, 843025), (125, 337210), (250, 168605), (625, 67442), (1250, 33721)]