81040610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23627}}^1$

素因数の和:23655

約数の個数: 32

約数和(自身を含む): 170121600

約数和(自身を除く): 89080990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 23627, 47254, 118135, 165389, 236270, 330778, 826945, 1157723, 1653890, 2315446, 5788615, 8104061, 11577230, 16208122, 40520305, 81040610]

約数ペア:

[(1, 81040610), (2, 40520305), (5, 16208122), (7, 11577230), (10, 8104061), (14, 5788615), (35, 2315446), (49, 1653890), (70, 1157723), (98, 826945), (245, 330778), (343, 236270), (490, 165389), (686, 118135), (1715, 47254), (3430, 23627)]