13684520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 18974680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 251, 290, 376, 470, 502, 580, 940, 1004, 1160, 1255, 1363, 1880, 2008, 2510, 2726, 5020, 5452, 6815, 7279, 10040, 10904, 11797, 13630, 14558, 23594, 27260, 29116, 36395, 47188, 54520, 58232, 58985, 72790, 94376, 117970, 145580, 235940, 291160, 342113, 471880, 684226, 1368452, 1710565, 2736904, 3421130, 6842260, 13684520]

約数ペア:

[(1, 13684520), (2, 6842260), (4, 3421130), (5, 2736904), (8, 1710565), (10, 1368452), (20, 684226), (29, 471880), (40, 342113), (47, 291160), (58, 235940), (94, 145580), (116, 117970), (145, 94376), (188, 72790), (232, 58985), (235, 58232), (251, 54520), (290, 47188), (376, 36395), (470, 29116), (502, 27260), (580, 23594), (940, 14558), (1004, 13630), (1160, 11797), (1255, 10904), (1363, 10040), (1880, 7279), (2008, 6815), (2510, 5452), (2726, 5020)]