66637100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{15497}}^1$

素因数の和:15554

約数の個数: 36

約数和(自身を含む): 147974904

約数和(自身を除く): 81337804

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 15497, 30994, 61988, 77485, 154970, 309940, 387425, 666371, 774850, 1332742, 1549700, 2665484, 3331855, 6663710, 13327420, 16659275, 33318550, 66637100]

約数ペア:

[(1, 66637100), (2, 33318550), (4, 16659275), (5, 13327420), (10, 6663710), (20, 3331855), (25, 2665484), (43, 1549700), (50, 1332742), (86, 774850), (100, 666371), (172, 387425), (215, 309940), (430, 154970), (860, 77485), (1075, 61988), (2150, 30994), (4300, 15497)]