201429681580

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{5043307}}^1$

素因数の和:5045313

約数の個数: 24

約数和(自身を含む): 423214234128

約数和(自身を除く): 221784552548

約数列:

[1, 2, 4, 5, 10, 20, 1997, 3994, 7988, 9985, 19970, 39940, 5043307, 10086614, 20173228, 25216535, 50433070, 100866140, 10071484079, 20142968158, 40285936316, 50357420395, 100714840790, 201429681580]

約数ペア:

[(1, 201429681580), (2, 100714840790), (4, 50357420395), (5, 40285936316), (10, 20142968158), (20, 10071484079), (1997, 100866140), (3994, 50433070), (7988, 25216535), (9985, 20173228), (19970, 10086614), (39940, 5043307)]