66236440

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6871}}^1$

素因数の和:7123

約数の個数: 32

約数和(自身を含む): 149672160

約数和(自身を除く): 83435720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6871, 9640, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 1655911, 3311822, 6623644, 8279555, 13247288, 16559110, 33118220, 66236440]

約数ペア:

[(1, 66236440), (2, 33118220), (4, 16559110), (5, 13247288), (8, 8279555), (10, 6623644), (20, 3311822), (40, 1655911), (241, 274840), (482, 137420), (964, 68710), (1205, 54968), (1928, 34355), (2410, 27484), (4820, 13742), (6871, 9640)]