78819080

素因数分解:

$2^3\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1709}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 177600600

約数和(自身を除く): 98781520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1153, 1709, 2306, 3418, 4612, 5765, 6836, 8545, 9224, 11530, 13672, 17090, 23060, 34180, 46120, 68360, 1970477, 3940954, 7881908, 9852385, 15763816, 19704770, 39409540, 78819080]

約数ペア:

[(1, 78819080), (2, 39409540), (4, 19704770), (5, 15763816), (8, 9852385), (10, 7881908), (20, 3940954), (40, 1970477), (1153, 68360), (1709, 46120), (2306, 34180), (3418, 23060), (4612, 17090), (5765, 13672), (6836, 11530), (8545, 9224)]