20144382080

素因数分解:

$2^7\times 5^1\times {\mathrm{31475597}}^1$

素因数の和:31475616

約数の個数: 32

約数和(自身を含む): 48157664940

約数和(自身を除く): 28013282860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31475597, 62951194, 125902388, 157377985, 251804776, 314755970, 503609552, 629511940, 1007219104, 1259023880, 2014438208, 2518047760, 4028876416, 5036095520, 10072191040, 20144382080]

約数ペア:

[(1, 20144382080), (2, 10072191040), (4, 5036095520), (5, 4028876416), (8, 2518047760), (10, 2014438208), (16, 1259023880), (20, 1007219104), (32, 629511940), (40, 503609552), (64, 314755970), (80, 251804776), (128, 157377985), (160, 125902388), (320, 62951194), (640, 31475597)]