25937020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 30944420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 197, 227, 290, 394, 454, 580, 788, 908, 985, 1135, 1970, 2270, 3940, 4540, 5713, 6583, 11426, 13166, 22852, 26332, 28565, 32915, 44719, 57130, 65830, 89438, 114260, 131660, 178876, 223595, 447190, 894380, 1296851, 2593702, 5187404, 6484255, 12968510, 25937020]

約数ペア:

[(1, 25937020), (2, 12968510), (4, 6484255), (5, 5187404), (10, 2593702), (20, 1296851), (29, 894380), (58, 447190), (116, 223595), (145, 178876), (197, 131660), (227, 114260), (290, 89438), (394, 65830), (454, 57130), (580, 44719), (788, 32915), (908, 28565), (985, 26332), (1135, 22852), (1970, 13166), (2270, 11426), (3940, 6583), (4540, 5713)]