859961840

素因数分解:

$2^4\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{7229}}^1$

素因数の和:8729

約数の個数: 40

約数和(自身を含む): 2001032640

約数和(自身を除く): 1141070800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1487, 2974, 5948, 7229, 7435, 11896, 14458, 14870, 23792, 28916, 29740, 36145, 57832, 59480, 72290, 115664, 118960, 144580, 289160, 578320, 10749523, 21499046, 42998092, 53747615, 85996184, 107495230, 171992368, 214990460, 429980920, 859961840]

約数ペア:

[(1, 859961840), (2, 429980920), (4, 214990460), (5, 171992368), (8, 107495230), (10, 85996184), (16, 53747615), (20, 42998092), (40, 21499046), (80, 10749523), (1487, 578320), (2974, 289160), (5948, 144580), (7229, 118960), (7435, 115664), (11896, 72290), (14458, 59480), (14870, 57832), (23792, 36145), (28916, 29740)]