28619480

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1993}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 64605600

約数和(自身を除く): 35986120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 1993, 2872, 3590, 3986, 7180, 7972, 9965, 14360, 15944, 19930, 39860, 79720, 715487, 1430974, 2861948, 3577435, 5723896, 7154870, 14309740, 28619480]

約数ペア:

[(1, 28619480), (2, 14309740), (4, 7154870), (5, 5723896), (8, 3577435), (10, 2861948), (20, 1430974), (40, 715487), (359, 79720), (718, 39860), (1436, 19930), (1795, 15944), (1993, 14360), (2872, 9965), (3590, 7972), (3986, 7180)]