128536880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69857}}^1$

素因数の和:69893

約数の個数: 40

約数和(自身を含む): 311846112

約数和(自身を除く): 183309232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 69857, 139714, 279428, 349285, 558856, 698570, 1117712, 1397140, 1606711, 2794280, 3213422, 5588560, 6426844, 8033555, 12853688, 16067110, 25707376, 32134220, 64268440, 128536880]

約数ペア:

[(1, 128536880), (2, 64268440), (4, 32134220), (5, 25707376), (8, 16067110), (10, 12853688), (16, 8033555), (20, 6426844), (23, 5588560), (40, 3213422), (46, 2794280), (80, 1606711), (92, 1397140), (115, 1117712), (184, 698570), (230, 558856), (368, 349285), (460, 279428), (920, 139714), (1840, 69857)]