49386740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{189949}}^1$

素因数の和:189971

約数の個数: 24

約数和(自身を含む): 111690600

約数和(自身を除く): 62303860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 189949, 379898, 759796, 949745, 1899490, 2469337, 3798980, 4938674, 9877348, 12346685, 24693370, 49386740]

約数ペア:

[(1, 49386740), (2, 24693370), (4, 12346685), (5, 9877348), (10, 4938674), (13, 3798980), (20, 2469337), (26, 1899490), (52, 949745), (65, 759796), (130, 379898), (260, 189949)]