51830320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 124992000

約数和(自身を除く): 73161680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 79, 80, 118, 139, 158, 236, 278, 295, 316, 395, 472, 556, 590, 632, 695, 790, 944, 1112, 1180, 1264, 1390, 1580, 2224, 2360, 2780, 3160, 4661, 4720, 5560, 6320, 8201, 9322, 10981, 11120, 16402, 18644, 21962, 23305, 32804, 37288, 41005, 43924, 46610, 54905, 65608, 74576, 82010, 87848, 93220, 109810, 131216, 164020, 175696, 186440, 219620, 328040, 372880, 439240, 647879, 656080, 878480, 1295758, 2591516, 3239395, 5183032, 6478790, 10366064, 12957580, 25915160, 51830320]

約数ペア:

[(1, 51830320), (2, 25915160), (4, 12957580), (5, 10366064), (8, 6478790), (10, 5183032), (16, 3239395), (20, 2591516), (40, 1295758), (59, 878480), (79, 656080), (80, 647879), (118, 439240), (139, 372880), (158, 328040), (236, 219620), (278, 186440), (295, 175696), (316, 164020), (395, 131216), (472, 109810), (556, 93220), (590, 87848), (632, 82010), (695, 74576), (790, 65608), (944, 54905), (1112, 46610), (1180, 43924), (1264, 41005), (1390, 37288), (1580, 32804), (2224, 23305), (2360, 21962), (2780, 18644), (3160, 16402), (4661, 11120), (4720, 10981), (5560, 9322), (6320, 8201)]