51668500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7981

約数の個数: 48

約数和(自身を含む): 121539600

約数和(自身を除く): 69871100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 7949, 15898, 31796, 39745, 79490, 103337, 158980, 198725, 206674, 397450, 413348, 516685, 794900, 993625, 1033370, 1987250, 2066740, 2583425, 3974500, 5166850, 10333700, 12917125, 25834250, 51668500]

約数ペア:

[(1, 51668500), (2, 25834250), (4, 12917125), (5, 10333700), (10, 5166850), (13, 3974500), (20, 2583425), (25, 2066740), (26, 1987250), (50, 1033370), (52, 993625), (65, 794900), (100, 516685), (125, 413348), (130, 397450), (250, 206674), (260, 198725), (325, 158980), (500, 103337), (650, 79490), (1300, 39745), (1625, 31796), (3250, 15898), (6500, 7949)]