80000005652

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{311677}}^1$

素因数の和:311880

約数の個数: 48

約数和(自身を含む): 163369140480

約数和(自身を除く): 83369134828

約数列:

[1, 2, 4, 7, 14, 28, 89, 103, 178, 206, 356, 412, 623, 721, 1246, 1442, 2492, 2884, 9167, 18334, 36668, 64169, 128338, 256676, 311677, 623354, 1246708, 2181739, 4363478, 8726956, 27739253, 32102731, 55478506, 64205462, 110957012, 128410924, 194174771, 224719117, 388349542, 449438234, 776699084, 898876468, 2857143059, 5714286118, 11428572236, 20000001413, 40000002826, 80000005652]

約数ペア:

[(1, 80000005652), (2, 40000002826), (4, 20000001413), (7, 11428572236), (14, 5714286118), (28, 2857143059), (89, 898876468), (103, 776699084), (178, 449438234), (206, 388349542), (356, 224719117), (412, 194174771), (623, 128410924), (721, 110957012), (1246, 64205462), (1442, 55478506), (2492, 32102731), (2884, 27739253), (9167, 8726956), (18334, 4363478), (36668, 2181739), (64169, 1246708), (128338, 623354), (256676, 311677)]