13898980

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1427}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 29268288

約数和(自身を除く): 15369308

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1427, 1948, 2435, 2854, 4870, 5708, 7135, 9740, 14270, 28540, 694949, 1389898, 2779796, 3474745, 6949490, 13898980]

約数ペア:

[(1, 13898980), (2, 6949490), (4, 3474745), (5, 2779796), (10, 1389898), (20, 694949), (487, 28540), (974, 14270), (1427, 9740), (1948, 7135), (2435, 5708), (2854, 4870)]