89966920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{13001}}^1$

素因数の和:13185

約数の個数: 32

約数和(自身を含む): 203611320

約数和(自身を除く): 113644400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 13001, 26002, 52004, 65005, 104008, 130010, 260020, 520040, 2249173, 4498346, 8996692, 11245865, 17993384, 22491730, 44983460, 89966920]

約数ペア:

[(1, 89966920), (2, 44983460), (4, 22491730), (5, 17993384), (8, 11245865), (10, 8996692), (20, 4498346), (40, 2249173), (173, 520040), (346, 260020), (692, 130010), (865, 104008), (1384, 65005), (1730, 52004), (3460, 26002), (6920, 13001)]