12151250

素因数分解:

$2^1\times 5^4\times {\mathrm{9721}}^1$

素因数の和:9743

約数の個数: 20

約数和(自身を含む): 22778646

約数和(自身を除く): 10627396

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 9721, 19442, 48605, 97210, 243025, 486050, 1215125, 2430250, 6075625, 12151250]

約数ペア:

[(1, 12151250), (2, 6075625), (5, 2430250), (10, 1215125), (25, 486050), (50, 243025), (125, 97210), (250, 48605), (625, 19442), (1250, 9721)]