55256720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16063}}^1$

素因数の和:16119

約数の個数: 40

約数和(自身を含む): 131467776

約数和(自身を除く): 76211056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16063, 32126, 64252, 80315, 128504, 160630, 257008, 321260, 642520, 690709, 1285040, 1381418, 2762836, 3453545, 5525672, 6907090, 11051344, 13814180, 27628360, 55256720]

約数ペア:

[(1, 55256720), (2, 27628360), (4, 13814180), (5, 11051344), (8, 6907090), (10, 5525672), (16, 3453545), (20, 2762836), (40, 1381418), (43, 1285040), (80, 690709), (86, 642520), (172, 321260), (215, 257008), (344, 160630), (430, 128504), (688, 80315), (860, 64252), (1720, 32126), (3440, 16063)]