80815490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26849}}^1$

素因数の和:26906

約数の個数: 32

約数和(自身を含む): 170121600

約数和(自身を除く): 89306110

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 26849, 53698, 134245, 187943, 268490, 375886, 939715, 1154507, 1879430, 2309014, 5772535, 8081549, 11545070, 16163098, 40407745, 80815490]

約数ペア:

[(1, 80815490), (2, 40407745), (5, 16163098), (7, 11545070), (10, 8081549), (14, 5772535), (35, 2309014), (43, 1879430), (70, 1154507), (86, 939715), (215, 375886), (301, 268490), (430, 187943), (602, 134245), (1505, 53698), (3010, 26849)]