80884090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12983}}^1$

素因数の和:13086

約数の個数: 32

約数和(自身を含む): 168272640

約数和(自身を除く): 87388550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 12983, 25966, 64915, 90881, 129830, 181762, 454405, 908810, 1155487, 2310974, 5777435, 8088409, 11554870, 16176818, 40442045, 80884090]

約数ペア:

[(1, 80884090), (2, 40442045), (5, 16176818), (7, 11554870), (10, 8088409), (14, 5777435), (35, 2310974), (70, 1155487), (89, 908810), (178, 454405), (445, 181762), (623, 129830), (890, 90881), (1246, 64915), (3115, 25966), (6230, 12983)]