2805680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2093

約数の個数: 40

約数和(自身を含む): 6910272

約数和(自身を除く): 4104592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2063, 4126, 8252, 10315, 16504, 20630, 33008, 35071, 41260, 70142, 82520, 140284, 165040, 175355, 280568, 350710, 561136, 701420, 1402840, 2805680]

約数ペア:

[(1, 2805680), (2, 1402840), (4, 701420), (5, 561136), (8, 350710), (10, 280568), (16, 175355), (17, 165040), (20, 140284), (34, 82520), (40, 70142), (68, 41260), (80, 35071), (85, 33008), (136, 20630), (170, 16504), (272, 10315), (340, 8252), (680, 4126), (1360, 2063)]