85135780

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{4357}}^1$

素因数の和:5343

約数の個数: 24

約数和(自身を含む): 179009208

約数和(自身を除く): 93873428

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4357, 4885, 8714, 9770, 17428, 19540, 21785, 43570, 87140, 4256789, 8513578, 17027156, 21283945, 42567890, 85135780]

約数ペア:

[(1, 85135780), (2, 42567890), (4, 21283945), (5, 17027156), (10, 8513578), (20, 4256789), (977, 87140), (1954, 43570), (3908, 21785), (4357, 19540), (4885, 17428), (8714, 9770)]