166420

素因数分解:

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

素因数の和:219

約数の個数: 24

約数和(自身を含む): 358344

約数和(自身を除く): 191924

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 157, 212, 265, 314, 530, 628, 785, 1060, 1570, 3140, 8321, 16642, 33284, 41605, 83210, 166420]

約数ペア:

[(1, 166420), (2, 83210), (4, 41605), (5, 33284), (10, 16642), (20, 8321), (53, 3140), (106, 1570), (157, 1060), (212, 785), (265, 628), (314, 530)]