8902720

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 56

約数和(自身を含む): 21726144

約数和(自身を除く): 12823424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 647, 688, 860, 1294, 1376, 1720, 2588, 2752, 3235, 3440, 5176, 6470, 6880, 10352, 12940, 13760, 20704, 25880, 27821, 41408, 51760, 55642, 103520, 111284, 139105, 207040, 222568, 278210, 445136, 556420, 890272, 1112840, 1780544, 2225680, 4451360, 8902720]

約数ペア:

[(1, 8902720), (2, 4451360), (4, 2225680), (5, 1780544), (8, 1112840), (10, 890272), (16, 556420), (20, 445136), (32, 278210), (40, 222568), (43, 207040), (64, 139105), (80, 111284), (86, 103520), (160, 55642), (172, 51760), (215, 41408), (320, 27821), (344, 25880), (430, 20704), (647, 13760), (688, 12940), (860, 10352), (1294, 6880), (1376, 6470), (1720, 5176), (2588, 3440), (2752, 3235)]