80821796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{4091}}^1$

素因数の和:4555

約数の個数: 24

約数和(自身を含む): 154677600

約数和(自身を除く): 73855804

約数列:

[1, 2, 4, 11, 22, 44, 449, 898, 1796, 4091, 4939, 8182, 9878, 16364, 19756, 45001, 90002, 180004, 1836859, 3673718, 7347436, 20205449, 40410898, 80821796]

約数ペア:

[(1, 80821796), (2, 40410898), (4, 20205449), (11, 7347436), (22, 3673718), (44, 1836859), (449, 180004), (898, 90002), (1796, 45001), (4091, 19756), (4939, 16364), (8182, 9878)]