68690920

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{5861}}^1$

素因数の和:6165

約数の個数: 32

約数和(自身を含む): 155108520

約数和(自身を除く): 86417600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 5861, 11720, 11722, 23444, 29305, 46888, 58610, 117220, 234440, 1717273, 3434546, 6869092, 8586365, 13738184, 17172730, 34345460, 68690920]

約数ペア:

[(1, 68690920), (2, 34345460), (4, 17172730), (5, 13738184), (8, 8586365), (10, 6869092), (20, 3434546), (40, 1717273), (293, 234440), (586, 117220), (1172, 58610), (1465, 46888), (2344, 29305), (2930, 23444), (5860, 11722), (5861, 11720)]