18068782000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{220351}}^1$

素因数の和:220415

約数の個数: 80

約数和(自身を含む): 44756135424

約数和(自身を除く): 26687353424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 820, 1000, 1025, 1640, 2000, 2050, 3280, 4100, 5125, 8200, 10250, 16400, 20500, 41000, 82000, 220351, 440702, 881404, 1101755, 1762808, 2203510, 3525616, 4407020, 5508775, 8814040, 9034391, 11017550, 17628080, 18068782, 22035100, 27543875, 36137564, 44070200, 45171955, 55087750, 72275128, 88140400, 90343910, 110175500, 144550256, 180687820, 220351000, 225859775, 361375640, 440702000, 451719550, 722751280, 903439100, 1129298875, 1806878200, 2258597750, 3613756400, 4517195500, 9034391000, 18068782000]

約数ペア:

[(1, 18068782000), (2, 9034391000), (4, 4517195500), (5, 3613756400), (8, 2258597750), (10, 1806878200), (16, 1129298875), (20, 903439100), (25, 722751280), (40, 451719550), (41, 440702000), (50, 361375640), (80, 225859775), (82, 220351000), (100, 180687820), (125, 144550256), (164, 110175500), (200, 90343910), (205, 88140400), (250, 72275128), (328, 55087750), (400, 45171955), (410, 44070200), (500, 36137564), (656, 27543875), (820, 22035100), (1000, 18068782), (1025, 17628080), (1640, 11017550), (2000, 9034391), (2050, 8814040), (3280, 5508775), (4100, 4407020), (5125, 3525616), (8200, 2203510), (10250, 1762808), (16400, 1101755), (20500, 881404), (41000, 440702), (82000, 220351)]