2659280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 6661032

約数和(自身を除く): 4001752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2557, 5114, 10228, 12785, 20456, 25570, 33241, 40912, 51140, 66482, 102280, 132964, 166205, 204560, 265928, 332410, 531856, 664820, 1329640, 2659280]

約数ペア:

[(1, 2659280), (2, 1329640), (4, 664820), (5, 531856), (8, 332410), (10, 265928), (13, 204560), (16, 166205), (20, 132964), (26, 102280), (40, 66482), (52, 51140), (65, 40912), (80, 33241), (104, 25570), (130, 20456), (208, 12785), (260, 10228), (520, 5114), (1040, 2557)]