13905640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49663}}^1$

素因数の和:49681

約数の個数: 32

約数和(自身を含む): 35758080

約数和(自身を除く): 21852440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49663, 99326, 198652, 248315, 347641, 397304, 496630, 695282, 993260, 1390564, 1738205, 1986520, 2781128, 3476410, 6952820, 13905640]

約数ペア:

[(1, 13905640), (2, 6952820), (4, 3476410), (5, 2781128), (7, 1986520), (8, 1738205), (10, 1390564), (14, 993260), (20, 695282), (28, 496630), (35, 397304), (40, 347641), (56, 248315), (70, 198652), (140, 99326), (280, 49663)]