80216990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19423}}^1$

素因数の和:19496

約数の個数: 32

約数和(自身を含む): 167823360

約数和(自身を除く): 87606370

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 19423, 38846, 97115, 135961, 194230, 271922, 679805, 1145957, 1359610, 2291914, 5729785, 8021699, 11459570, 16043398, 40108495, 80216990]

約数ペア:

[(1, 80216990), (2, 40108495), (5, 16043398), (7, 11459570), (10, 8021699), (14, 5729785), (35, 2291914), (59, 1359610), (70, 1145957), (118, 679805), (295, 271922), (413, 194230), (590, 135961), (826, 97115), (2065, 38846), (4130, 19423)]