12996250

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 40

約数和(自身を含む): 25107588

約数和(自身を除く): 12111338

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 281, 370, 562, 625, 925, 1250, 1405, 1850, 2810, 4625, 7025, 9250, 10397, 14050, 20794, 23125, 35125, 46250, 51985, 70250, 103970, 175625, 259925, 351250, 519850, 1299625, 2599250, 6498125, 12996250]

約数ペア:

[(1, 12996250), (2, 6498125), (5, 2599250), (10, 1299625), (25, 519850), (37, 351250), (50, 259925), (74, 175625), (125, 103970), (185, 70250), (250, 51985), (281, 46250), (370, 35125), (562, 23125), (625, 20794), (925, 14050), (1250, 10397), (1405, 9250), (1850, 7025), (2810, 4625)]