80236816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6421}}^1$

素因数の和:6511

約数の個数: 40

約数和(自身を含む): 172006848

約数和(自身を除く): 91770032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 6421, 12496, 12842, 25684, 51368, 70631, 102736, 141262, 282524, 455891, 565048, 911782, 1130096, 1823564, 3647128, 5014801, 7294256, 10029602, 20059204, 40118408, 80236816]

約数ペア:

[(1, 80236816), (2, 40118408), (4, 20059204), (8, 10029602), (11, 7294256), (16, 5014801), (22, 3647128), (44, 1823564), (71, 1130096), (88, 911782), (142, 565048), (176, 455891), (284, 282524), (568, 141262), (781, 102736), (1136, 70631), (1562, 51368), (3124, 25684), (6248, 12842), (6421, 12496)]