1314272840

素因数分解:

$2^3\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{21157}}^1$

素因数の和:22721

約数の個数: 32

約数和(自身を含む): 2959157880

約数和(自身を除く): 1644885040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1553, 3106, 6212, 7765, 12424, 15530, 21157, 31060, 42314, 62120, 84628, 105785, 169256, 211570, 423140, 846280, 32856821, 65713642, 131427284, 164284105, 262854568, 328568210, 657136420, 1314272840]

約数ペア:

[(1, 1314272840), (2, 657136420), (4, 328568210), (5, 262854568), (8, 164284105), (10, 131427284), (20, 65713642), (40, 32856821), (1553, 846280), (3106, 423140), (6212, 211570), (7765, 169256), (12424, 105785), (15530, 84628), (21157, 62120), (31060, 42314)]