19740250

素因数分解:

$2^1\times 5^3\times {\mathrm{281}}^2$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 37085724

約数和(自身を除く): 17345474

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 281, 562, 1405, 2810, 7025, 14050, 35125, 70250, 78961, 157922, 394805, 789610, 1974025, 3948050, 9870125, 19740250]

約数ペア:

[(1, 19740250), (2, 9870125), (5, 3948050), (10, 1974025), (25, 789610), (50, 394805), (125, 157922), (250, 78961), (281, 70250), (562, 35125), (1405, 14050), (2810, 7025)]