80368420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{911}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 184778496

約数和(自身を除く): 104410076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 911, 1604, 1822, 2005, 3644, 4010, 4411, 4555, 8020, 8822, 9110, 10021, 17644, 18220, 20042, 22055, 40084, 44110, 50105, 88220, 100210, 200420, 365311, 730622, 1461244, 1826555, 3653110, 4018421, 7306220, 8036842, 16073684, 20092105, 40184210, 80368420]

約数ペア:

[(1, 80368420), (2, 40184210), (4, 20092105), (5, 16073684), (10, 8036842), (11, 7306220), (20, 4018421), (22, 3653110), (44, 1826555), (55, 1461244), (110, 730622), (220, 365311), (401, 200420), (802, 100210), (911, 88220), (1604, 50105), (1822, 44110), (2005, 40084), (3644, 22055), (4010, 20042), (4411, 18220), (4555, 17644), (8020, 10021), (8822, 9110)]