15320380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10789}}^1$

素因数の和:10869

約数の個数: 24

約数和(自身を含む): 32628960

約数和(自身を除く): 17308580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10789, 21578, 43156, 53945, 107890, 215780, 766019, 1532038, 3064076, 3830095, 7660190, 15320380]

約数ペア:

[(1, 15320380), (2, 7660190), (4, 3830095), (5, 3064076), (10, 1532038), (20, 766019), (71, 215780), (142, 107890), (284, 53945), (355, 43156), (710, 21578), (1420, 10789)]