8166020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13171}}^1$

素因数の和:13211

約数の個数: 24

約数和(自身を含む): 17703168

約数和(自身を除く): 9537148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 13171, 26342, 52684, 65855, 131710, 263420, 408301, 816602, 1633204, 2041505, 4083010, 8166020]

約数ペア:

[(1, 8166020), (2, 4083010), (4, 2041505), (5, 1633204), (10, 816602), (20, 408301), (31, 263420), (62, 131710), (124, 65855), (155, 52684), (310, 26342), (620, 13171)]