1621250

素因数分解:

$2^1\times 5^4\times {\mathrm{1297}}^1$

素因数の和:1319

約数の個数: 20

約数和(自身を含む): 3041214

約数和(自身を除く): 1419964

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1297, 2594, 6485, 12970, 32425, 64850, 162125, 324250, 810625, 1621250]

約数ペア:

[(1, 1621250), (2, 810625), (5, 324250), (10, 162125), (25, 64850), (50, 32425), (125, 12970), (250, 6485), (625, 2594), (1250, 1297)]