80680640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14831}}^1$

素因数の和:14865

約数の個数: 56

約数和(自身を含む): 203435712

約数和(自身を除く): 122755072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 14831, 29662, 59324, 74155, 118648, 148310, 237296, 252127, 296620, 474592, 504254, 593240, 949184, 1008508, 1186480, 1260635, 2017016, 2372960, 2521270, 4034032, 4745920, 5042540, 8068064, 10085080, 16136128, 20170160, 40340320, 80680640]

約数ペア:

[(1, 80680640), (2, 40340320), (4, 20170160), (5, 16136128), (8, 10085080), (10, 8068064), (16, 5042540), (17, 4745920), (20, 4034032), (32, 2521270), (34, 2372960), (40, 2017016), (64, 1260635), (68, 1186480), (80, 1008508), (85, 949184), (136, 593240), (160, 504254), (170, 474592), (272, 296620), (320, 252127), (340, 237296), (544, 148310), (680, 118648), (1088, 74155), (1360, 59324), (2720, 29662), (5440, 14831)]