8820260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 18998868

約数和(自身を除く): 10178608

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 157, 212, 265, 314, 530, 628, 785, 1060, 1570, 2809, 3140, 5618, 8321, 11236, 14045, 16642, 28090, 33284, 41605, 56180, 83210, 166420, 441013, 882026, 1764052, 2205065, 4410130, 8820260]

約数ペア:

[(1, 8820260), (2, 4410130), (4, 2205065), (5, 1764052), (10, 882026), (20, 441013), (53, 166420), (106, 83210), (157, 56180), (212, 41605), (265, 33284), (314, 28090), (530, 16642), (628, 14045), (785, 11236), (1060, 8321), (1570, 5618), (2809, 3140)]