15691419440

素因数分解:

$2^4\times 5^1\times {\mathrm{196142743}}^1$

素因数の和:196142756

約数の個数: 20

約数和(自身を含む): 36482550384

約数和(自身を除く): 20791130944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196142743, 392285486, 784570972, 980713715, 1569141944, 1961427430, 3138283888, 3922854860, 7845709720, 15691419440]

約数ペア:

[(1, 15691419440), (2, 7845709720), (4, 3922854860), (5, 3138283888), (8, 1961427430), (10, 1569141944), (16, 980713715), (20, 784570972), (40, 392285486), (80, 196142743)]