64141780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 138047616

約数和(自身を除く): 73905836

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 151, 268, 302, 317, 335, 604, 634, 670, 755, 1268, 1340, 1510, 1585, 3020, 3170, 6340, 10117, 20234, 21239, 40468, 42478, 47867, 50585, 84956, 95734, 101170, 106195, 191468, 202340, 212390, 239335, 424780, 478670, 957340, 3207089, 6414178, 12828356, 16035445, 32070890, 64141780]

約数ペア:

[(1, 64141780), (2, 32070890), (4, 16035445), (5, 12828356), (10, 6414178), (20, 3207089), (67, 957340), (134, 478670), (151, 424780), (268, 239335), (302, 212390), (317, 202340), (335, 191468), (604, 106195), (634, 101170), (670, 95734), (755, 84956), (1268, 50585), (1340, 47867), (1510, 42478), (1585, 40468), (3020, 21239), (3170, 20234), (6340, 10117)]