9439840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 22861440

約数和(自身を除く): 13421600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1439, 1640, 2878, 3280, 5756, 6560, 7195, 11512, 14390, 23024, 28780, 46048, 57560, 58999, 115120, 117998, 230240, 235996, 294995, 471992, 589990, 943984, 1179980, 1887968, 2359960, 4719920, 9439840]

約数ペア:

[(1, 9439840), (2, 4719920), (4, 2359960), (5, 1887968), (8, 1179980), (10, 943984), (16, 589990), (20, 471992), (32, 294995), (40, 235996), (41, 230240), (80, 117998), (82, 115120), (160, 58999), (164, 57560), (205, 46048), (328, 28780), (410, 23024), (656, 14390), (820, 11512), (1312, 7195), (1439, 6560), (1640, 5756), (2878, 3280)]