66354640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75403}}^1$

素因数の和:75427

約数の個数: 40

約数和(自身を含む): 168301728

約数和(自身を除く): 101947088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75403, 150806, 301612, 377015, 603224, 754030, 829433, 1206448, 1508060, 1658866, 3016120, 3317732, 4147165, 6032240, 6635464, 8294330, 13270928, 16588660, 33177320, 66354640]

約数ペア:

[(1, 66354640), (2, 33177320), (4, 16588660), (5, 13270928), (8, 8294330), (10, 6635464), (11, 6032240), (16, 4147165), (20, 3317732), (22, 3016120), (40, 1658866), (44, 1508060), (55, 1206448), (80, 829433), (88, 754030), (110, 603224), (176, 377015), (220, 301612), (440, 150806), (880, 75403)]