78764080

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13487}}^1$

素因数の和:13573

約数の個数: 40

約数和(自身を含む): 185648832

約数和(自身を除く): 106884752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 13487, 26974, 53948, 67435, 107896, 134870, 215792, 269740, 539480, 984551, 1078960, 1969102, 3938204, 4922755, 7876408, 9845510, 15752816, 19691020, 39382040, 78764080]

約数ペア:

[(1, 78764080), (2, 39382040), (4, 19691020), (5, 15752816), (8, 9845510), (10, 7876408), (16, 4922755), (20, 3938204), (40, 1969102), (73, 1078960), (80, 984551), (146, 539480), (292, 269740), (365, 215792), (584, 134870), (730, 107896), (1168, 67435), (1460, 53948), (2920, 26974), (5840, 13487)]