28491040

素因数分解:

$2^5\times 5^1\times {\mathrm{178069}}^1$

素因数の和:178084

約数の個数: 24

約数和(自身を含む): 67310460

約数和(自身を除く): 38819420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178069, 356138, 712276, 890345, 1424552, 1780690, 2849104, 3561380, 5698208, 7122760, 14245520, 28491040]

約数ペア:

[(1, 28491040), (2, 14245520), (4, 7122760), (5, 5698208), (8, 3561380), (10, 2849104), (16, 1780690), (20, 1424552), (32, 890345), (40, 712276), (80, 356138), (160, 178069)]