631580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 1384992

約数和(自身を除く): 753412

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1373, 2746, 5492, 6865, 13730, 27460, 31579, 63158, 126316, 157895, 315790, 631580]

約数ペア:

[(1, 631580), (2, 315790), (4, 157895), (5, 126316), (10, 63158), (20, 31579), (23, 27460), (46, 13730), (92, 6865), (115, 5492), (230, 2746), (460, 1373)]