161983160

素因数分解:

$2^3\times 5^1\times {\mathrm{4049579}}^1$

素因数の和:4049590

約数の個数: 16

約数和(自身を含む): 364462200

約数和(自身を除く): 202479040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4049579, 8099158, 16198316, 20247895, 32396632, 40495790, 80991580, 161983160]

約数ペア:

[(1, 161983160), (2, 80991580), (4, 40495790), (5, 32396632), (8, 20247895), (10, 16198316), (20, 8099158), (40, 4049579)]