171924440

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{4051}}^1$

素因数の和:5123

約数の個数: 32

約数和(自身を含む): 387290160

約数和(自身を除く): 215365720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 2122, 4051, 4244, 5305, 8102, 8488, 10610, 16204, 20255, 21220, 32408, 40510, 42440, 81020, 162040, 4298111, 8596222, 17192444, 21490555, 34384888, 42981110, 85962220, 171924440]

約数ペア:

[(1, 171924440), (2, 85962220), (4, 42981110), (5, 34384888), (8, 21490555), (10, 17192444), (20, 8596222), (40, 4298111), (1061, 162040), (2122, 81020), (4051, 42440), (4244, 40510), (5305, 32408), (8102, 21220), (8488, 20255), (10610, 16204)]