12886340

素因数分解:

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

素因数の和:428

約数の個数: 48

約数和(自身を含む): 28957824

約数和(自身を除く): 16071484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 251, 302, 340, 502, 604, 755, 1004, 1255, 1510, 2510, 2567, 3020, 4267, 5020, 5134, 8534, 10268, 12835, 17068, 21335, 25670, 37901, 42670, 51340, 75802, 85340, 151604, 189505, 379010, 644317, 758020, 1288634, 2577268, 3221585, 6443170, 12886340]

約数ペア:

[(1, 12886340), (2, 6443170), (4, 3221585), (5, 2577268), (10, 1288634), (17, 758020), (20, 644317), (34, 379010), (68, 189505), (85, 151604), (151, 85340), (170, 75802), (251, 51340), (302, 42670), (340, 37901), (502, 25670), (604, 21335), (755, 17068), (1004, 12835), (1255, 10268), (1510, 8534), (2510, 5134), (2567, 5020), (3020, 4267)]