22195520

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:655

約数の個数: 56

約数和(自身を含む): 53340000

約数和(自身を除く): 31144480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 499, 556, 695, 998, 1112, 1390, 1996, 2224, 2495, 2780, 3992, 4448, 4990, 5560, 7984, 8896, 9980, 11120, 15968, 19960, 22240, 31936, 39920, 44480, 69361, 79840, 138722, 159680, 277444, 346805, 554888, 693610, 1109776, 1387220, 2219552, 2774440, 4439104, 5548880, 11097760, 22195520]

約数ペア:

[(1, 22195520), (2, 11097760), (4, 5548880), (5, 4439104), (8, 2774440), (10, 2219552), (16, 1387220), (20, 1109776), (32, 693610), (40, 554888), (64, 346805), (80, 277444), (139, 159680), (160, 138722), (278, 79840), (320, 69361), (499, 44480), (556, 39920), (695, 31936), (998, 22240), (1112, 19960), (1390, 15968), (1996, 11120), (2224, 9980), (2495, 8896), (2780, 7984), (3992, 5560), (4448, 4990)]