2080856656

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{392911}}^1$

素因数の和:393250

約数の個数: 20

約数和(自身を含む): 4043850304

約数和(自身を除く): 1962993648

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 392911, 785822, 1571644, 3143288, 6286576, 130053541, 260107082, 520214164, 1040428328, 2080856656]

約数ペア:

[(1, 2080856656), (2, 1040428328), (4, 520214164), (8, 260107082), (16, 130053541), (331, 6286576), (662, 3143288), (1324, 1571644), (2648, 785822), (5296, 392911)]