79943890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1549}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 155458800

約数和(自身を除く): 75514910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 794, 1549, 1985, 3098, 3970, 5161, 7745, 10322, 15490, 20137, 25805, 40274, 51610, 100685, 201370, 614953, 1229906, 3074765, 6149530, 7994389, 15988778, 39971945, 79943890]

約数ペア:

[(1, 79943890), (2, 39971945), (5, 15988778), (10, 7994389), (13, 6149530), (26, 3074765), (65, 1229906), (130, 614953), (397, 201370), (794, 100685), (1549, 51610), (1985, 40274), (3098, 25805), (3970, 20137), (5161, 15490), (7745, 10322)]