15691725020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7198039}}^1$

素因数の和:7198157

約数の個数: 24

約数和(自身を含む): 33254944800

約数和(自身を除く): 17563219780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7198039, 14396078, 28792156, 35990195, 71980390, 143960780, 784586251, 1569172502, 3138345004, 3922931255, 7845862510, 15691725020]

約数ペア:

[(1, 15691725020), (2, 7845862510), (4, 3922931255), (5, 3138345004), (10, 1569172502), (20, 784586251), (109, 143960780), (218, 71980390), (436, 35990195), (545, 28792156), (1090, 14396078), (2180, 7198039)]