12821626870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4987}}^1\times {\mathrm{19777}}^1$

素因数の和:24784

約数の個数: 32

約数和(自身を含む): 24860471328

約数和(自身を除く): 12038844458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4987, 9974, 19777, 24935, 39554, 49870, 64831, 98885, 129662, 197770, 257101, 324155, 514202, 648310, 1285505, 2571010, 98627899, 197255798, 493139495, 986278990, 1282162687, 2564325374, 6410813435, 12821626870]

約数ペア:

[(1, 12821626870), (2, 6410813435), (5, 2564325374), (10, 1282162687), (13, 986278990), (26, 493139495), (65, 197255798), (130, 98627899), (4987, 2571010), (9974, 1285505), (19777, 648310), (24935, 514202), (39554, 324155), (49870, 257101), (64831, 197770), (98885, 129662)]