40980280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8467}}^1$

素因数の和:8500

約数の個数: 48

約数和(自身を含む): 101361960

約数和(自身を除く): 60381680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 8467, 16934, 33868, 42335, 67736, 84670, 93137, 169340, 186274, 338680, 372548, 465685, 745096, 931370, 1024507, 1862740, 2049014, 3725480, 4098028, 5122535, 8196056, 10245070, 20490140, 40980280]

約数ペア:

[(1, 40980280), (2, 20490140), (4, 10245070), (5, 8196056), (8, 5122535), (10, 4098028), (11, 3725480), (20, 2049014), (22, 1862740), (40, 1024507), (44, 931370), (55, 745096), (88, 465685), (110, 372548), (121, 338680), (220, 186274), (242, 169340), (440, 93137), (484, 84670), (605, 67736), (968, 42335), (1210, 33868), (2420, 16934), (4840, 8467)]