51790420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21401}}^1$

素因数の和:21432

約数の個数: 36

約数和(自身を含む): 119551572

約数和(自身を除く): 67761152

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21401, 42802, 85604, 107005, 214010, 235411, 428020, 470822, 941644, 1177055, 2354110, 2589521, 4708220, 5179042, 10358084, 12947605, 25895210, 51790420]

約数ペア:

[(1, 51790420), (2, 25895210), (4, 12947605), (5, 10358084), (10, 5179042), (11, 4708220), (20, 2589521), (22, 2354110), (44, 1177055), (55, 941644), (110, 470822), (121, 428020), (220, 235411), (242, 214010), (484, 107005), (605, 85604), (1210, 42802), (2420, 21401)]