84810710

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 155589984

約数和(自身を除く): 70779274

約数列:

[1, 2, 5, 10, 101, 131, 202, 262, 505, 641, 655, 1010, 1282, 1310, 3205, 6410, 13231, 26462, 64741, 66155, 83971, 129482, 132310, 167942, 323705, 419855, 647410, 839710, 8481071, 16962142, 42405355, 84810710]

約数ペア:

[(1, 84810710), (2, 42405355), (5, 16962142), (10, 8481071), (101, 839710), (131, 647410), (202, 419855), (262, 323705), (505, 167942), (641, 132310), (655, 129482), (1010, 83971), (1282, 66155), (1310, 64741), (3205, 26462), (6410, 13231)]