87165520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83813}}^1$

素因数の和:83839

約数の個数: 40

約数和(自身を含む): 218251656

約数和(自身を除く): 131086136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 83813, 167626, 335252, 419065, 670504, 838130, 1089569, 1341008, 1676260, 2179138, 3352520, 4358276, 5447845, 6705040, 8716552, 10895690, 17433104, 21791380, 43582760, 87165520]

約数ペア:

[(1, 87165520), (2, 43582760), (4, 21791380), (5, 17433104), (8, 10895690), (10, 8716552), (13, 6705040), (16, 5447845), (20, 4358276), (26, 3352520), (40, 2179138), (52, 1676260), (65, 1341008), (80, 1089569), (104, 838130), (130, 670504), (208, 419065), (260, 335252), (520, 167626), (1040, 83813)]