86857840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 207986688

約数和(自身を除く): 121128848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 103, 127, 166, 206, 254, 332, 412, 415, 508, 515, 635, 664, 824, 830, 1016, 1030, 1270, 1328, 1648, 1660, 2032, 2060, 2540, 3320, 4120, 5080, 6640, 8240, 8549, 10160, 10541, 13081, 17098, 21082, 26162, 34196, 42164, 42745, 52324, 52705, 65405, 68392, 84328, 85490, 104648, 105410, 130810, 136784, 168656, 170980, 209296, 210820, 261620, 341960, 421640, 523240, 683920, 843280, 1046480, 1085723, 2171446, 4342892, 5428615, 8685784, 10857230, 17371568, 21714460, 43428920, 86857840]

約数ペア:

[(1, 86857840), (2, 43428920), (4, 21714460), (5, 17371568), (8, 10857230), (10, 8685784), (16, 5428615), (20, 4342892), (40, 2171446), (80, 1085723), (83, 1046480), (103, 843280), (127, 683920), (166, 523240), (206, 421640), (254, 341960), (332, 261620), (412, 210820), (415, 209296), (508, 170980), (515, 168656), (635, 136784), (664, 130810), (824, 105410), (830, 104648), (1016, 85490), (1030, 84328), (1270, 68392), (1328, 65405), (1648, 52705), (1660, 52324), (2032, 42745), (2060, 42164), (2540, 34196), (3320, 26162), (4120, 21082), (5080, 17098), (6640, 13081), (8240, 10541), (8549, 10160)]