12940960048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{342281}}^1$

素因数の和:342445

約数の個数: 40

約数和(自身を含む): 26739069840

約数和(自身を除く): 13798109792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 9452, 18904, 37808, 342281, 684562, 1369124, 2738248, 5476496, 5818777, 11637554, 23275108, 46550216, 47577059, 93100432, 95154118, 190308236, 380616472, 761232944, 808810003, 1617620006, 3235240012, 6470480024, 12940960048]

約数ペア:

[(1, 12940960048), (2, 6470480024), (4, 3235240012), (8, 1617620006), (16, 808810003), (17, 761232944), (34, 380616472), (68, 190308236), (136, 95154118), (139, 93100432), (272, 47577059), (278, 46550216), (556, 23275108), (1112, 11637554), (2224, 5818777), (2363, 5476496), (4726, 2738248), (9452, 1369124), (18904, 684562), (37808, 342281)]