19420400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1098

約数の個数: 60

約数和(自身を含む): 47696352

約数和(自身を除く): 28275952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 188, 200, 235, 376, 400, 470, 752, 940, 1033, 1175, 1880, 2066, 2350, 3760, 4132, 4700, 5165, 8264, 9400, 10330, 16528, 18800, 20660, 25825, 41320, 48551, 51650, 82640, 97102, 103300, 194204, 206600, 242755, 388408, 413200, 485510, 776816, 971020, 1213775, 1942040, 2427550, 3884080, 4855100, 9710200, 19420400]

約数ペア:

[(1, 19420400), (2, 9710200), (4, 4855100), (5, 3884080), (8, 2427550), (10, 1942040), (16, 1213775), (20, 971020), (25, 776816), (40, 485510), (47, 413200), (50, 388408), (80, 242755), (94, 206600), (100, 194204), (188, 103300), (200, 97102), (235, 82640), (376, 51650), (400, 48551), (470, 41320), (752, 25825), (940, 20660), (1033, 18800), (1175, 16528), (1880, 10330), (2066, 9400), (2350, 8264), (3760, 5165), (4132, 4700)]