80079640

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{2347}}^1$

素因数の和:3211

約数の個数: 32

約数和(自身を含む): 180467280

約数和(自身を除く): 100387640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 2347, 3412, 4265, 4694, 6824, 8530, 9388, 11735, 17060, 18776, 23470, 34120, 46940, 93880, 2001991, 4003982, 8007964, 10009955, 16015928, 20019910, 40039820, 80079640]

約数ペア:

[(1, 80079640), (2, 40039820), (4, 20019910), (5, 16015928), (8, 10009955), (10, 8007964), (20, 4003982), (40, 2001991), (853, 93880), (1706, 46940), (2347, 34120), (3412, 23470), (4265, 18776), (4694, 17060), (6824, 11735), (8530, 9388)]