80431792

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8069}}^1$

素因数の和:8173

約数の個数: 40

約数和(自身を含む): 180122400

約数和(自身を除く): 99690608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 8069, 9968, 16138, 32276, 56483, 64552, 112966, 129104, 225932, 451864, 718141, 903728, 1436282, 2872564, 5026987, 5745128, 10053974, 11490256, 20107948, 40215896, 80431792]

約数ペア:

[(1, 80431792), (2, 40215896), (4, 20107948), (7, 11490256), (8, 10053974), (14, 5745128), (16, 5026987), (28, 2872564), (56, 1436282), (89, 903728), (112, 718141), (178, 451864), (356, 225932), (623, 129104), (712, 112966), (1246, 64552), (1424, 56483), (2492, 32276), (4984, 16138), (8069, 9968)]