561717040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{305281}}^1$

素因数の和:305317

約数の個数: 40

約数和(自身を含む): 1362778848

約数和(自身を除く): 801061808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 305281, 610562, 1221124, 1526405, 2442248, 3052810, 4884496, 6105620, 7021463, 12211240, 14042926, 24422480, 28085852, 35107315, 56171704, 70214630, 112343408, 140429260, 280858520, 561717040]

約数ペア:

[(1, 561717040), (2, 280858520), (4, 140429260), (5, 112343408), (8, 70214630), (10, 56171704), (16, 35107315), (20, 28085852), (23, 24422480), (40, 14042926), (46, 12211240), (80, 7021463), (92, 6105620), (115, 4884496), (184, 3052810), (230, 2442248), (368, 1526405), (460, 1221124), (920, 610562), (1840, 305281)]