25772680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 36279800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 251, 302, 340, 502, 604, 680, 755, 1004, 1208, 1255, 1510, 2008, 2510, 2567, 3020, 4267, 5020, 5134, 6040, 8534, 10040, 10268, 12835, 17068, 20536, 21335, 25670, 34136, 37901, 42670, 51340, 75802, 85340, 102680, 151604, 170680, 189505, 303208, 379010, 644317, 758020, 1288634, 1516040, 2577268, 3221585, 5154536, 6443170, 12886340, 25772680]

約数ペア:

[(1, 25772680), (2, 12886340), (4, 6443170), (5, 5154536), (8, 3221585), (10, 2577268), (17, 1516040), (20, 1288634), (34, 758020), (40, 644317), (68, 379010), (85, 303208), (136, 189505), (151, 170680), (170, 151604), (251, 102680), (302, 85340), (340, 75802), (502, 51340), (604, 42670), (680, 37901), (755, 34136), (1004, 25670), (1208, 21335), (1255, 20536), (1510, 17068), (2008, 12835), (2510, 10268), (2567, 10040), (3020, 8534), (4267, 6040), (5020, 5134)]