13231540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 32860800

約数和(自身を除く): 19629260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3259, 4060, 6518, 13036, 16295, 22813, 32590, 45626, 65180, 91252, 94511, 114065, 189022, 228130, 378044, 456260, 472555, 661577, 945110, 1323154, 1890220, 2646308, 3307885, 6615770, 13231540]

約数ペア:

[(1, 13231540), (2, 6615770), (4, 3307885), (5, 2646308), (7, 1890220), (10, 1323154), (14, 945110), (20, 661577), (28, 472555), (29, 456260), (35, 378044), (58, 228130), (70, 189022), (116, 114065), (140, 94511), (145, 91252), (203, 65180), (290, 45626), (406, 32590), (580, 22813), (812, 16295), (1015, 13036), (2030, 6518), (3259, 4060)]