290007955760

素因数分解:

$2^4\times 5^1\times {\mathrm{3625099447}}^1$

素因数の和:3625099460

約数の個数: 20

約数和(自身を含む): 674268497328

約数和(自身を除く): 384260541568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3625099447, 7250198894, 14500397788, 18125497235, 29000795576, 36250994470, 58001591152, 72501988940, 145003977880, 290007955760]

約数ペア:

[(1, 290007955760), (2, 145003977880), (4, 72501988940), (5, 58001591152), (8, 36250994470), (10, 29000795576), (16, 18125497235), (20, 14500397788), (40, 7250198894), (80, 3625099447)]