848602280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{161947}}^1$

素因数の和:162089

約数の個数: 32

約数和(自身を含む): 1923942240

約数和(自身を除く): 1075339960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 161947, 323894, 647788, 809735, 1295576, 1619470, 3238940, 6477880, 21215057, 42430114, 84860228, 106075285, 169720456, 212150570, 424301140, 848602280]

約数ペア:

[(1, 848602280), (2, 424301140), (4, 212150570), (5, 169720456), (8, 106075285), (10, 84860228), (20, 42430114), (40, 21215057), (131, 6477880), (262, 3238940), (524, 1619470), (655, 1295576), (1048, 809735), (1310, 647788), (2620, 323894), (5240, 161947)]