25854220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1223}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 62512128

約数和(自身を除く): 36657908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1223, 1510, 2114, 2446, 3020, 4228, 4892, 5285, 6115, 8561, 10570, 12230, 17122, 21140, 24460, 34244, 42805, 85610, 171220, 184673, 369346, 738692, 923365, 1292711, 1846730, 2585422, 3693460, 5170844, 6463555, 12927110, 25854220]

約数ペア:

[(1, 25854220), (2, 12927110), (4, 6463555), (5, 5170844), (7, 3693460), (10, 2585422), (14, 1846730), (20, 1292711), (28, 923365), (35, 738692), (70, 369346), (140, 184673), (151, 171220), (302, 85610), (604, 42805), (755, 34244), (1057, 24460), (1223, 21140), (1510, 17122), (2114, 12230), (2446, 10570), (3020, 8561), (4228, 6115), (4892, 5285)]