12435400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 29255940

約数和(自身を除く): 16820540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 641, 776, 970, 1282, 1940, 2425, 2564, 3205, 3880, 4850, 5128, 6410, 9700, 12820, 16025, 19400, 25640, 32050, 62177, 64100, 124354, 128200, 248708, 310885, 497416, 621770, 1243540, 1554425, 2487080, 3108850, 6217700, 12435400]

約数ペア:

[(1, 12435400), (2, 6217700), (4, 3108850), (5, 2487080), (8, 1554425), (10, 1243540), (20, 621770), (25, 497416), (40, 310885), (50, 248708), (97, 128200), (100, 124354), (194, 64100), (200, 62177), (388, 32050), (485, 25640), (641, 19400), (776, 16025), (970, 12820), (1282, 9700), (1940, 6410), (2425, 5128), (2564, 4850), (3205, 3880)]