4008440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 32

約数和(自身を含む): 9413280

約数和(自身を除く): 5404840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 100211, 174280, 200422, 400844, 501055, 801688, 1002110, 2004220, 4008440]

約数ペア:

[(1, 4008440), (2, 2004220), (4, 1002110), (5, 801688), (8, 501055), (10, 400844), (20, 200422), (23, 174280), (40, 100211), (46, 87140), (92, 43570), (115, 34856), (184, 21785), (230, 17428), (460, 8714), (920, 4357)]