212275520

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15427}}^1$

素因数の和:15487

約数の個数: 56

約数和(自身を含む): 517269984

約数和(自身を除く): 304994464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 15427, 30854, 61708, 77135, 123416, 154270, 246832, 308540, 493664, 617080, 663361, 987328, 1234160, 1326722, 2468320, 2653444, 3316805, 4936640, 5306888, 6633610, 10613776, 13267220, 21227552, 26534440, 42455104, 53068880, 106137760, 212275520]

約数ペア:

[(1, 212275520), (2, 106137760), (4, 53068880), (5, 42455104), (8, 26534440), (10, 21227552), (16, 13267220), (20, 10613776), (32, 6633610), (40, 5306888), (43, 4936640), (64, 3316805), (80, 2653444), (86, 2468320), (160, 1326722), (172, 1234160), (215, 987328), (320, 663361), (344, 617080), (430, 493664), (688, 308540), (860, 246832), (1376, 154270), (1720, 123416), (2752, 77135), (3440, 61708), (6880, 30854), (13760, 15427)]