1678822480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{344021}}^1$

素因数の和:344095

約数の個数: 40

約数和(自身を含む): 3967261704

約数和(自身を除く): 2288439224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 344021, 688042, 1376084, 1720105, 2752168, 3440210, 5504336, 6880420, 13760840, 20985281, 27521680, 41970562, 83941124, 104926405, 167882248, 209852810, 335764496, 419705620, 839411240, 1678822480]

約数ペア:

[(1, 1678822480), (2, 839411240), (4, 419705620), (5, 335764496), (8, 209852810), (10, 167882248), (16, 104926405), (20, 83941124), (40, 41970562), (61, 27521680), (80, 20985281), (122, 13760840), (244, 6880420), (305, 5504336), (488, 3440210), (610, 2752168), (976, 1720105), (1220, 1376084), (2440, 688042), (4880, 344021)]