99951680

素因数分解:

$2^6\times 5^1\times {\mathrm{312349}}^1$

素因数の和:312366

約数の個数: 28

約数和(自身を含む): 238010700

約数和(自身を除く): 138059020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 312349, 624698, 1249396, 1561745, 2498792, 3123490, 4997584, 6246980, 9995168, 12493960, 19990336, 24987920, 49975840, 99951680]

約数ペア:

[(1, 99951680), (2, 49975840), (4, 24987920), (5, 19990336), (8, 12493960), (10, 9995168), (16, 6246980), (20, 4997584), (32, 3123490), (40, 2498792), (64, 1561745), (80, 1249396), (160, 624698), (320, 312349)]