78399080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26849}}^1$

素因数の和:26933

約数の個数: 32

約数和(自身を含む): 178821000

約数和(自身を除く): 100421920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 26849, 53698, 107396, 134245, 214792, 268490, 536980, 1073960, 1959977, 3919954, 7839908, 9799885, 15679816, 19599770, 39199540, 78399080]

約数ペア:

[(1, 78399080), (2, 39199540), (4, 19599770), (5, 15679816), (8, 9799885), (10, 7839908), (20, 3919954), (40, 1959977), (73, 1073960), (146, 536980), (292, 268490), (365, 214792), (584, 134245), (730, 107396), (1460, 53698), (2920, 26849)]