38865880

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4243}}^1$

素因数の和:4483

約数の個数: 32

約数和(自身を含む): 87850800

約数和(自身を除く): 48984920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4243, 4580, 8486, 9160, 16972, 21215, 33944, 42430, 84860, 169720, 971647, 1943294, 3886588, 4858235, 7773176, 9716470, 19432940, 38865880]

約数ペア:

[(1, 38865880), (2, 19432940), (4, 9716470), (5, 7773176), (8, 4858235), (10, 3886588), (20, 1943294), (40, 971647), (229, 169720), (458, 84860), (916, 42430), (1145, 33944), (1832, 21215), (2290, 16972), (4243, 9160), (4580, 8486)]