13280320

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 56

約数和(自身を含む): 32333184

約数和(自身を除く): 19052864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 883, 940, 1504, 1766, 1880, 3008, 3532, 3760, 4415, 7064, 7520, 8830, 14128, 15040, 17660, 28256, 35320, 41501, 56512, 70640, 83002, 141280, 166004, 207505, 282560, 332008, 415010, 664016, 830020, 1328032, 1660040, 2656064, 3320080, 6640160, 13280320]

約数ペア:

[(1, 13280320), (2, 6640160), (4, 3320080), (5, 2656064), (8, 1660040), (10, 1328032), (16, 830020), (20, 664016), (32, 415010), (40, 332008), (47, 282560), (64, 207505), (80, 166004), (94, 141280), (160, 83002), (188, 70640), (235, 56512), (320, 41501), (376, 35320), (470, 28256), (752, 17660), (883, 15040), (940, 14128), (1504, 8830), (1766, 7520), (1880, 7064), (3008, 4415), (3532, 3760)]