85985840

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2063}}^1$

素因数の和:2597

約数の個数: 40

約数和(自身を含む): 200397888

約数和(自身を除く): 114412048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2063, 2084, 2605, 4126, 4168, 5210, 8252, 8336, 10315, 10420, 16504, 20630, 20840, 33008, 41260, 41680, 82520, 165040, 1074823, 2149646, 4299292, 5374115, 8598584, 10748230, 17197168, 21496460, 42992920, 85985840]

約数ペア:

[(1, 85985840), (2, 42992920), (4, 21496460), (5, 17197168), (8, 10748230), (10, 8598584), (16, 5374115), (20, 4299292), (40, 2149646), (80, 1074823), (521, 165040), (1042, 82520), (2063, 41680), (2084, 41260), (2605, 33008), (4126, 20840), (4168, 20630), (5210, 16504), (8252, 10420), (8336, 10315)]