17623120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 25588400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 47, 80, 86, 94, 109, 172, 188, 215, 218, 235, 344, 376, 430, 436, 470, 545, 688, 752, 860, 872, 940, 1090, 1720, 1744, 1880, 2021, 2180, 3440, 3760, 4042, 4360, 4687, 5123, 8084, 8720, 9374, 10105, 10246, 16168, 18748, 20210, 20492, 23435, 25615, 32336, 37496, 40420, 40984, 46870, 51230, 74992, 80840, 81968, 93740, 102460, 161680, 187480, 204920, 220289, 374960, 409840, 440578, 881156, 1101445, 1762312, 2202890, 3524624, 4405780, 8811560, 17623120]

約数ペア:

[(1, 17623120), (2, 8811560), (4, 4405780), (5, 3524624), (8, 2202890), (10, 1762312), (16, 1101445), (20, 881156), (40, 440578), (43, 409840), (47, 374960), (80, 220289), (86, 204920), (94, 187480), (109, 161680), (172, 102460), (188, 93740), (215, 81968), (218, 80840), (235, 74992), (344, 51230), (376, 46870), (430, 40984), (436, 40420), (470, 37496), (545, 32336), (688, 25615), (752, 23435), (860, 20492), (872, 20210), (940, 18748), (1090, 16168), (1720, 10246), (1744, 10105), (1880, 9374), (2021, 8720), (2180, 8084), (3440, 5123), (3760, 4687), (4042, 4360)]