56557040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 138178656

約数和(自身を除く): 81621616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 401, 410, 430, 656, 688, 802, 820, 860, 1604, 1640, 1720, 1763, 2005, 3208, 3280, 3440, 3526, 4010, 6416, 7052, 8020, 8815, 14104, 16040, 16441, 17243, 17630, 28208, 32080, 32882, 34486, 35260, 65764, 68972, 70520, 82205, 86215, 131528, 137944, 141040, 164410, 172430, 263056, 275888, 328820, 344860, 657640, 689720, 706963, 1315280, 1379440, 1413926, 2827852, 3534815, 5655704, 7069630, 11311408, 14139260, 28278520, 56557040]

約数ペア:

[(1, 56557040), (2, 28278520), (4, 14139260), (5, 11311408), (8, 7069630), (10, 5655704), (16, 3534815), (20, 2827852), (40, 1413926), (41, 1379440), (43, 1315280), (80, 706963), (82, 689720), (86, 657640), (164, 344860), (172, 328820), (205, 275888), (215, 263056), (328, 172430), (344, 164410), (401, 141040), (410, 137944), (430, 131528), (656, 86215), (688, 82205), (802, 70520), (820, 68972), (860, 65764), (1604, 35260), (1640, 34486), (1720, 32882), (1763, 32080), (2005, 28208), (3208, 17630), (3280, 17243), (3440, 16441), (3526, 16040), (4010, 14104), (6416, 8815), (7052, 8020)]