201720160

素因数分解:

$2^5\times 5^1\times {\mathrm{1260751}}^1$

素因数の和:1260766

約数の個数: 24

約数和(自身を含む): 476564256

約数和(自身を除く): 274844096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1260751, 2521502, 5043004, 6303755, 10086008, 12607510, 20172016, 25215020, 40344032, 50430040, 100860080, 201720160]

約数ペア:

[(1, 201720160), (2, 100860080), (4, 50430040), (5, 40344032), (8, 25215020), (10, 20172016), (16, 12607510), (20, 10086008), (32, 6303755), (40, 5043004), (80, 2521502), (160, 1260751)]