1616840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 3689280

約数和(自身を除く): 2072440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 487, 664, 830, 974, 1660, 1948, 2435, 3320, 3896, 4870, 9740, 19480, 40421, 80842, 161684, 202105, 323368, 404210, 808420, 1616840]

約数ペア:

[(1, 1616840), (2, 808420), (4, 404210), (5, 323368), (8, 202105), (10, 161684), (20, 80842), (40, 40421), (83, 19480), (166, 9740), (332, 4870), (415, 3896), (487, 3320), (664, 2435), (830, 1948), (974, 1660)]