68641840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{29587}}^1$

素因数の和:29629

約数の個数: 40

約数和(自身を含む): 165101040

約数和(自身を除く): 96459200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 29587, 59174, 118348, 147935, 236696, 295870, 473392, 591740, 858023, 1183480, 1716046, 2366960, 3432092, 4290115, 6864184, 8580230, 13728368, 17160460, 34320920, 68641840]

約数ペア:

[(1, 68641840), (2, 34320920), (4, 17160460), (5, 13728368), (8, 8580230), (10, 6864184), (16, 4290115), (20, 3432092), (29, 2366960), (40, 1716046), (58, 1183480), (80, 858023), (116, 591740), (145, 473392), (232, 295870), (290, 236696), (464, 147935), (580, 118348), (1160, 59174), (2320, 29587)]