2019988640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293603}}^1$

素因数の和:293661

約数の個数: 48

約数和(自身を含む): 4883221728

約数和(自身を除く): 2863233088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 293603, 587206, 1174412, 1468015, 2348824, 2936030, 4697648, 5872060, 9395296, 11744120, 12624929, 23488240, 25249858, 46976480, 50499716, 63124645, 100999432, 126249290, 201998864, 252498580, 403997728, 504997160, 1009994320, 2019988640]

約数ペア:

[(1, 2019988640), (2, 1009994320), (4, 504997160), (5, 403997728), (8, 252498580), (10, 201998864), (16, 126249290), (20, 100999432), (32, 63124645), (40, 50499716), (43, 46976480), (80, 25249858), (86, 23488240), (160, 12624929), (172, 11744120), (215, 9395296), (344, 5872060), (430, 4697648), (688, 2936030), (860, 2348824), (1376, 1468015), (1720, 1174412), (3440, 587206), (6880, 293603)]