13507420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 15845540

約数列:

[1, 2, 4, 5, 10, 20, 79, 83, 103, 158, 166, 206, 316, 332, 395, 412, 415, 515, 790, 830, 1030, 1580, 1660, 2060, 6557, 8137, 8549, 13114, 16274, 17098, 26228, 32548, 32785, 34196, 40685, 42745, 65570, 81370, 85490, 131140, 162740, 170980, 675371, 1350742, 2701484, 3376855, 6753710, 13507420]

約数ペア:

[(1, 13507420), (2, 6753710), (4, 3376855), (5, 2701484), (10, 1350742), (20, 675371), (79, 170980), (83, 162740), (103, 131140), (158, 85490), (166, 81370), (206, 65570), (316, 42745), (332, 40685), (395, 34196), (412, 32785), (415, 32548), (515, 26228), (790, 17098), (830, 16274), (1030, 13114), (1580, 8549), (1660, 8137), (2060, 6557)]