12648800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:280

約数の個数: 72

約数和(自身を含む): 31388616

約数和(自身を除く): 18739816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 163, 194, 200, 326, 388, 400, 485, 652, 776, 800, 815, 970, 1304, 1552, 1630, 1940, 2425, 2608, 3104, 3260, 3880, 4075, 4850, 5216, 6520, 7760, 8150, 9700, 13040, 15520, 15811, 16300, 19400, 26080, 31622, 32600, 38800, 63244, 65200, 77600, 79055, 126488, 130400, 158110, 252976, 316220, 395275, 505952, 632440, 790550, 1264880, 1581100, 2529760, 3162200, 6324400, 12648800]

約数ペア:

[(1, 12648800), (2, 6324400), (4, 3162200), (5, 2529760), (8, 1581100), (10, 1264880), (16, 790550), (20, 632440), (25, 505952), (32, 395275), (40, 316220), (50, 252976), (80, 158110), (97, 130400), (100, 126488), (160, 79055), (163, 77600), (194, 65200), (200, 63244), (326, 38800), (388, 32600), (400, 31622), (485, 26080), (652, 19400), (776, 16300), (800, 15811), (815, 15520), (970, 13040), (1304, 9700), (1552, 8150), (1630, 7760), (1940, 6520), (2425, 5216), (2608, 4850), (3104, 4075), (3260, 3880)]