12780495550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8245481}}^1$

素因数の和:8245524

約数の個数: 24

約数和(自身を含む): 24538554432

約数和(自身を除く): 11758058882

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 8245481, 16490962, 41227405, 82454810, 206137025, 255609911, 412274050, 511219822, 1278049555, 2556099110, 6390247775, 12780495550]

約数ペア:

[(1, 12780495550), (2, 6390247775), (5, 2556099110), (10, 1278049555), (25, 511219822), (31, 412274050), (50, 255609911), (62, 206137025), (155, 82454810), (310, 41227405), (775, 16490962), (1550, 8245481)]