81485470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20021}}^1$

素因数の和:20076

約数の個数: 32

約数和(自身を含む): 164340576

約数和(自身を除く): 82855106

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 20021, 40042, 100105, 200210, 220231, 440462, 740777, 1101155, 1481554, 2202310, 3703885, 7407770, 8148547, 16297094, 40742735, 81485470]

約数ペア:

[(1, 81485470), (2, 40742735), (5, 16297094), (10, 8148547), (11, 7407770), (22, 3703885), (37, 2202310), (55, 1481554), (74, 1101155), (110, 740777), (185, 440462), (370, 220231), (407, 200210), (814, 100105), (2035, 40042), (4070, 20021)]