251131252010

素因数分解:

$2^1\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{10212739}}^1$

素因数の和:10215205

約数の個数: 16

約数和(自身を含む): 452220127200

約数和(自身を除く): 201088875190

約数列:

[1, 2, 5, 10, 2459, 4918, 12295, 24590, 10212739, 20425478, 51063695, 102127390, 25113125201, 50226250402, 125565626005, 251131252010]

約数ペア:

[(1, 251131252010), (2, 125565626005), (5, 50226250402), (10, 25113125201), (2459, 102127390), (4918, 51063695), (12295, 20425478), (24590, 10212739)]