2080889072

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{40153}}^1$

素因数の和:40281

約数の個数: 40

約数和(自身を含む): 4182440640

約数和(自身を除く): 2101551568

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 3239, 6478, 12956, 25912, 40153, 51824, 80306, 160612, 321224, 642448, 1646273, 3172087, 3292546, 6344174, 6585092, 12688348, 13170184, 25376696, 26340368, 50753392, 130055567, 260111134, 520222268, 1040444536, 2080889072]

約数ペア:

[(1, 2080889072), (2, 1040444536), (4, 520222268), (8, 260111134), (16, 130055567), (41, 50753392), (79, 26340368), (82, 25376696), (158, 13170184), (164, 12688348), (316, 6585092), (328, 6344174), (632, 3292546), (656, 3172087), (1264, 1646273), (3239, 642448), (6478, 321224), (12956, 160612), (25912, 80306), (40153, 51824)]