9016720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2803

約数の個数: 40

約数和(自身を含む): 21483000

約数和(自身を除く): 12466280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2749, 3280, 5498, 10996, 13745, 21992, 27490, 43984, 54980, 109960, 112709, 219920, 225418, 450836, 563545, 901672, 1127090, 1803344, 2254180, 4508360, 9016720]

約数ペア:

[(1, 9016720), (2, 4508360), (4, 2254180), (5, 1803344), (8, 1127090), (10, 901672), (16, 563545), (20, 450836), (40, 225418), (41, 219920), (80, 112709), (82, 109960), (164, 54980), (205, 43984), (328, 27490), (410, 21992), (656, 13745), (820, 10996), (1640, 5498), (2749, 3280)]