260802040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{73259}}^1$

素因数の和:73359

約数の個数: 32

約数和(自身を含む): 593406000

約数和(自身を除く): 332603960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 73259, 146518, 293036, 366295, 586072, 732590, 1465180, 2930360, 6520051, 13040102, 26080204, 32600255, 52160408, 65200510, 130401020, 260802040]

約数ペア:

[(1, 260802040), (2, 130401020), (4, 65200510), (5, 52160408), (8, 32600255), (10, 26080204), (20, 13040102), (40, 6520051), (89, 2930360), (178, 1465180), (356, 732590), (445, 586072), (712, 366295), (890, 293036), (1780, 146518), (3560, 73259)]