394856080

素因数分解:

$2^4\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{3847}}^1$

素因数の和:5143

約数の個数: 40

約数和(自身を含む): 918994752

約数和(自身を除く): 524138672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1283, 2566, 3847, 5132, 6415, 7694, 10264, 12830, 15388, 19235, 20528, 25660, 30776, 38470, 51320, 61552, 76940, 102640, 153880, 307760, 4935701, 9871402, 19742804, 24678505, 39485608, 49357010, 78971216, 98714020, 197428040, 394856080]

約数ペア:

[(1, 394856080), (2, 197428040), (4, 98714020), (5, 78971216), (8, 49357010), (10, 39485608), (16, 24678505), (20, 19742804), (40, 9871402), (80, 4935701), (1283, 307760), (2566, 153880), (3847, 102640), (5132, 76940), (6415, 61552), (7694, 51320), (10264, 38470), (12830, 30776), (15388, 25660), (19235, 20528)]