16211240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8623}}^1$

素因数の和:8681

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 21044440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8623, 17246, 34492, 43115, 68984, 86230, 172460, 344920, 405281, 810562, 1621124, 2026405, 3242248, 4052810, 8105620, 16211240]

約数ペア:

[(1, 16211240), (2, 8105620), (4, 4052810), (5, 3242248), (8, 2026405), (10, 1621124), (20, 810562), (40, 405281), (47, 344920), (94, 172460), (188, 86230), (235, 68984), (376, 43115), (470, 34492), (940, 17246), (1880, 8623)]