56257890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2153}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 147643776

約数和(自身を除く): 91385886

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 67, 78, 130, 134, 195, 201, 335, 390, 402, 670, 871, 1005, 1742, 2010, 2153, 2613, 4306, 4355, 5226, 6459, 8710, 10765, 12918, 13065, 21530, 26130, 27989, 32295, 55978, 64590, 83967, 139945, 144251, 167934, 279890, 288502, 419835, 432753, 721255, 839670, 865506, 1442510, 1875263, 2163765, 3750526, 4327530, 5625789, 9376315, 11251578, 18752630, 28128945, 56257890]

約数ペア:

[(1, 56257890), (2, 28128945), (3, 18752630), (5, 11251578), (6, 9376315), (10, 5625789), (13, 4327530), (15, 3750526), (26, 2163765), (30, 1875263), (39, 1442510), (65, 865506), (67, 839670), (78, 721255), (130, 432753), (134, 419835), (195, 288502), (201, 279890), (335, 167934), (390, 144251), (402, 139945), (670, 83967), (871, 64590), (1005, 55978), (1742, 32295), (2010, 27989), (2153, 26130), (2613, 21530), (4306, 13065), (4355, 12918), (5226, 10765), (6459, 8710)]