66211400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7699}}^1$

素因数の和:7758

約数の個数: 48

約数和(自身を含む): 157542000

約数和(自身を除く): 91330600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 7699, 8600, 15398, 30796, 38495, 61592, 76990, 153980, 192475, 307960, 331057, 384950, 662114, 769900, 1324228, 1539800, 1655285, 2648456, 3310570, 6621140, 8276425, 13242280, 16552850, 33105700, 66211400]

約数ペア:

[(1, 66211400), (2, 33105700), (4, 16552850), (5, 13242280), (8, 8276425), (10, 6621140), (20, 3310570), (25, 2648456), (40, 1655285), (43, 1539800), (50, 1324228), (86, 769900), (100, 662114), (172, 384950), (200, 331057), (215, 307960), (344, 192475), (430, 153980), (860, 76990), (1075, 61592), (1720, 38495), (2150, 30796), (4300, 15398), (7699, 8600)]