12901250

素因数分解:

$2^1\times 5^4\times {\mathrm{10321}}^1$

素因数の和:10343

約数の個数: 20

約数和(自身を含む): 24184446

約数和(自身を除く): 11283196

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 10321, 20642, 51605, 103210, 258025, 516050, 1290125, 2580250, 6450625, 12901250]

約数ペア:

[(1, 12901250), (2, 6450625), (5, 2580250), (10, 1290125), (25, 516050), (50, 258025), (125, 103210), (250, 51605), (625, 20642), (1250, 10321)]