156921804640

素因数分解:

$2^5\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{492103}}^1$

素因数の和:494111

約数の個数: 48

約数和(自身を含む): 370914532128

約数和(自身を除く): 213992727488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1993, 3986, 7972, 9965, 15944, 19930, 31888, 39860, 63776, 79720, 159440, 318880, 492103, 984206, 1968412, 2460515, 3936824, 4921030, 7873648, 9842060, 15747296, 19684120, 39368240, 78736480, 980761279, 1961522558, 3923045116, 4903806395, 7846090232, 9807612790, 15692180464, 19615225580, 31384360928, 39230451160, 78460902320, 156921804640]

約数ペア:

[(1, 156921804640), (2, 78460902320), (4, 39230451160), (5, 31384360928), (8, 19615225580), (10, 15692180464), (16, 9807612790), (20, 7846090232), (32, 4903806395), (40, 3923045116), (80, 1961522558), (160, 980761279), (1993, 78736480), (3986, 39368240), (7972, 19684120), (9965, 15747296), (15944, 9842060), (19930, 7873648), (31888, 4921030), (39860, 3936824), (63776, 2460515), (79720, 1968412), (159440, 984206), (318880, 492103)]