64109540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{937}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 147498624

約数和(自身を除く): 83389084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 937, 1244, 1555, 1874, 3110, 3421, 3748, 4685, 6220, 6842, 9370, 10307, 13684, 17105, 18740, 20614, 34210, 41228, 51535, 68420, 103070, 206140, 291407, 582814, 1165628, 1457035, 2914070, 3205477, 5828140, 6410954, 12821908, 16027385, 32054770, 64109540]

約数ペア:

[(1, 64109540), (2, 32054770), (4, 16027385), (5, 12821908), (10, 6410954), (11, 5828140), (20, 3205477), (22, 2914070), (44, 1457035), (55, 1165628), (110, 582814), (220, 291407), (311, 206140), (622, 103070), (937, 68420), (1244, 51535), (1555, 41228), (1874, 34210), (3110, 20614), (3421, 18740), (3748, 17105), (4685, 13684), (6220, 10307), (6842, 9370)]