90517040

素因数分解:

$2^4\times 5^1\times {\mathrm{1131463}}^1$

素因数の和:1131476

約数の個数: 20

約数和(自身を含む): 210452304

約数和(自身を除く): 119935264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1131463, 2262926, 4525852, 5657315, 9051704, 11314630, 18103408, 22629260, 45258520, 90517040]

約数ペア:

[(1, 90517040), (2, 45258520), (4, 22629260), (5, 18103408), (8, 11314630), (10, 9051704), (16, 5657315), (20, 4525852), (40, 2262926), (80, 1131463)]