25538320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4373}}^1$

素因数の和:4459

約数の個数: 40

約数和(自身を含む): 60203736

約数和(自身を除く): 34665416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 4373, 5840, 8746, 17492, 21865, 34984, 43730, 69968, 87460, 174920, 319229, 349840, 638458, 1276916, 1596145, 2553832, 3192290, 5107664, 6384580, 12769160, 25538320]

約数ペア:

[(1, 25538320), (2, 12769160), (4, 6384580), (5, 5107664), (8, 3192290), (10, 2553832), (16, 1596145), (20, 1276916), (40, 638458), (73, 349840), (80, 319229), (146, 174920), (292, 87460), (365, 69968), (584, 43730), (730, 34984), (1168, 21865), (1460, 17492), (2920, 8746), (4373, 5840)]