64268440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69857}}^1$

素因数の和:69891

約数の個数: 32

約数和(自身を含む): 150893280

約数和(自身を除く): 86624840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 69857, 139714, 279428, 349285, 558856, 698570, 1397140, 1606711, 2794280, 3213422, 6426844, 8033555, 12853688, 16067110, 32134220, 64268440]

約数ペア:

[(1, 64268440), (2, 32134220), (4, 16067110), (5, 12853688), (8, 8033555), (10, 6426844), (20, 3213422), (23, 2794280), (40, 1606711), (46, 1397140), (92, 698570), (115, 558856), (184, 349285), (230, 279428), (460, 139714), (920, 69857)]