13147180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 28667520

約数和(自身を除く): 15520340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 157, 158, 212, 265, 314, 316, 395, 530, 628, 785, 790, 1060, 1570, 1580, 3140, 4187, 8321, 8374, 12403, 16642, 16748, 20935, 24806, 33284, 41605, 41870, 49612, 62015, 83210, 83740, 124030, 166420, 248060, 657359, 1314718, 2629436, 3286795, 6573590, 13147180]

約数ペア:

[(1, 13147180), (2, 6573590), (4, 3286795), (5, 2629436), (10, 1314718), (20, 657359), (53, 248060), (79, 166420), (106, 124030), (157, 83740), (158, 83210), (212, 62015), (265, 49612), (314, 41870), (316, 41605), (395, 33284), (530, 24806), (628, 20935), (785, 16748), (790, 16642), (1060, 12403), (1570, 8374), (1580, 8321), (3140, 4187)]