8458400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 21053340

約数和(自身を除く): 12594940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 109, 160, 194, 200, 218, 388, 400, 436, 485, 545, 776, 800, 872, 970, 1090, 1552, 1744, 1940, 2180, 2425, 2725, 3104, 3488, 3880, 4360, 4850, 5450, 7760, 8720, 9700, 10573, 10900, 15520, 17440, 19400, 21146, 21800, 38800, 42292, 43600, 52865, 77600, 84584, 87200, 105730, 169168, 211460, 264325, 338336, 422920, 528650, 845840, 1057300, 1691680, 2114600, 4229200, 8458400]

約数ペア:

[(1, 8458400), (2, 4229200), (4, 2114600), (5, 1691680), (8, 1057300), (10, 845840), (16, 528650), (20, 422920), (25, 338336), (32, 264325), (40, 211460), (50, 169168), (80, 105730), (97, 87200), (100, 84584), (109, 77600), (160, 52865), (194, 43600), (200, 42292), (218, 38800), (388, 21800), (400, 21146), (436, 19400), (485, 17440), (545, 15520), (776, 10900), (800, 10573), (872, 9700), (970, 8720), (1090, 7760), (1552, 5450), (1744, 4850), (1940, 4360), (2180, 3880), (2425, 3488), (2725, 3104)]