13185320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 31190400

約数和(自身を除く): 18005080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 151, 185, 236, 295, 296, 302, 370, 472, 590, 604, 740, 755, 1180, 1208, 1480, 1510, 2183, 2360, 3020, 4366, 5587, 6040, 8732, 8909, 10915, 11174, 17464, 17818, 21830, 22348, 27935, 35636, 43660, 44545, 44696, 55870, 71272, 87320, 89090, 111740, 178180, 223480, 329633, 356360, 659266, 1318532, 1648165, 2637064, 3296330, 6592660, 13185320]

約数ペア:

[(1, 13185320), (2, 6592660), (4, 3296330), (5, 2637064), (8, 1648165), (10, 1318532), (20, 659266), (37, 356360), (40, 329633), (59, 223480), (74, 178180), (118, 111740), (148, 89090), (151, 87320), (185, 71272), (236, 55870), (295, 44696), (296, 44545), (302, 43660), (370, 35636), (472, 27935), (590, 22348), (604, 21830), (740, 17818), (755, 17464), (1180, 11174), (1208, 10915), (1480, 8909), (1510, 8732), (2183, 6040), (2360, 5587), (3020, 4366)]