17935553680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20381311}}^1$

素因数の和:20381335

約数の個数: 40

約数和(自身を含む): 45491088384

約数和(自身を除く): 27555534704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20381311, 40762622, 81525244, 101906555, 163050488, 203813110, 224194421, 326100976, 407626220, 448388842, 815252440, 896777684, 1120972105, 1630504880, 1793555368, 2241944210, 3587110736, 4483888420, 8967776840, 17935553680]

約数ペア:

[(1, 17935553680), (2, 8967776840), (4, 4483888420), (5, 3587110736), (8, 2241944210), (10, 1793555368), (11, 1630504880), (16, 1120972105), (20, 896777684), (22, 815252440), (40, 448388842), (44, 407626220), (55, 326100976), (80, 224194421), (88, 203813110), (110, 163050488), (176, 101906555), (220, 81525244), (440, 40762622), (880, 20381311)]