2720004016

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{641}}^1\times {\mathrm{2347}}^1$

素因数の和:3109

約数の個数: 40

約数和(自身を含む): 5327208144

約数和(自身を除く): 2607204128

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 641, 904, 1282, 1808, 2347, 2564, 4694, 5128, 9388, 10256, 18776, 37552, 72433, 144866, 265211, 289732, 530422, 579464, 1060844, 1158928, 1504427, 2121688, 3008854, 4243376, 6017708, 12035416, 24070832, 170000251, 340000502, 680001004, 1360002008, 2720004016]

約数ペア:

[(1, 2720004016), (2, 1360002008), (4, 680001004), (8, 340000502), (16, 170000251), (113, 24070832), (226, 12035416), (452, 6017708), (641, 4243376), (904, 3008854), (1282, 2121688), (1808, 1504427), (2347, 1158928), (2564, 1060844), (4694, 579464), (5128, 530422), (9388, 289732), (10256, 265211), (18776, 144866), (37552, 72433)]