28441520

素因数分解:

$2^4\times 5^1\times {\mathrm{355519}}^1$

素因数の和:355532

約数の個数: 20

約数和(自身を含む): 66126720

約数和(自身を除く): 37685200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355519, 711038, 1422076, 1777595, 2844152, 3555190, 5688304, 7110380, 14220760, 28441520]

約数ペア:

[(1, 28441520), (2, 14220760), (4, 7110380), (5, 5688304), (8, 3555190), (10, 2844152), (16, 1777595), (20, 1422076), (40, 711038), (80, 355519)]