66808120

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3623}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 150685920

約数和(自身を除く): 83877800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3623, 3688, 4610, 7246, 9220, 14492, 18115, 18440, 28984, 36230, 72460, 144920, 1670203, 3340406, 6680812, 8351015, 13361624, 16702030, 33404060, 66808120]

約数ペア:

[(1, 66808120), (2, 33404060), (4, 16702030), (5, 13361624), (8, 8351015), (10, 6680812), (20, 3340406), (40, 1670203), (461, 144920), (922, 72460), (1844, 36230), (2305, 28984), (3623, 18440), (3688, 18115), (4610, 14492), (7246, 9220)]