19955500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 24152564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 373, 428, 500, 535, 746, 1070, 1492, 1865, 2140, 2675, 3730, 5350, 7460, 9325, 10700, 13375, 18650, 26750, 37300, 39911, 46625, 53500, 79822, 93250, 159644, 186500, 199555, 399110, 798220, 997775, 1995550, 3991100, 4988875, 9977750, 19955500]

約数ペア:

[(1, 19955500), (2, 9977750), (4, 4988875), (5, 3991100), (10, 1995550), (20, 997775), (25, 798220), (50, 399110), (100, 199555), (107, 186500), (125, 159644), (214, 93250), (250, 79822), (373, 53500), (428, 46625), (500, 39911), (535, 37300), (746, 26750), (1070, 18650), (1492, 13375), (1865, 10700), (2140, 9325), (2675, 7460), (3730, 5350)]