25447480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8053}}^1$

素因数の和:8143

約数の個数: 32

約数和(自身を含む): 57988800

約数和(自身を除く): 32541320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8053, 16106, 32212, 40265, 64424, 80530, 161060, 322120, 636187, 1272374, 2544748, 3180935, 5089496, 6361870, 12723740, 25447480]

約数ペア:

[(1, 25447480), (2, 12723740), (4, 6361870), (5, 5089496), (8, 3180935), (10, 2544748), (20, 1272374), (40, 636187), (79, 322120), (158, 161060), (316, 80530), (395, 64424), (632, 40265), (790, 32212), (1580, 16106), (3160, 8053)]