2180996845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 2737566720

約数和(自身を除く): 556569875

約数列:

[1, 5, 41, 79, 137, 205, 395, 685, 983, 3239, 4915, 5617, 10823, 16195, 28085, 40303, 54115, 77657, 134671, 201515, 388285, 443743, 673355, 2218715, 3183937, 5521511, 10639009, 15919685, 27607555, 53195045, 436199369, 2180996845]

約数ペア:

[(1, 2180996845), (5, 436199369), (41, 53195045), (79, 27607555), (137, 15919685), (205, 10639009), (395, 5521511), (685, 3183937), (983, 2218715), (3239, 673355), (4915, 443743), (5617, 388285), (10823, 201515), (16195, 134671), (28085, 77657), (40303, 54115)]