402320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 964224

約数和(自身を除く): 561904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 107, 188, 214, 235, 376, 428, 470, 535, 752, 856, 940, 1070, 1712, 1880, 2140, 3760, 4280, 5029, 8560, 10058, 20116, 25145, 40232, 50290, 80464, 100580, 201160, 402320]

約数ペア:

[(1, 402320), (2, 201160), (4, 100580), (5, 80464), (8, 50290), (10, 40232), (16, 25145), (20, 20116), (40, 10058), (47, 8560), (80, 5029), (94, 4280), (107, 3760), (188, 2140), (214, 1880), (235, 1712), (376, 1070), (428, 940), (470, 856), (535, 752)]