13465540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 31215744

約数和(自身を除く): 17750204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 631, 970, 1067, 1262, 1940, 2134, 2524, 3155, 4268, 5335, 6310, 6941, 10670, 12620, 13882, 21340, 27764, 34705, 61207, 69410, 122414, 138820, 244828, 306035, 612070, 673277, 1224140, 1346554, 2693108, 3366385, 6732770, 13465540]

約数ペア:

[(1, 13465540), (2, 6732770), (4, 3366385), (5, 2693108), (10, 1346554), (11, 1224140), (20, 673277), (22, 612070), (44, 306035), (55, 244828), (97, 138820), (110, 122414), (194, 69410), (220, 61207), (388, 34705), (485, 27764), (631, 21340), (970, 13882), (1067, 12620), (1262, 10670), (1940, 6941), (2134, 6310), (2524, 5335), (3155, 4268)]