66716440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{34039}}^1$

素因数の和:34064

約数の個数: 48

約数和(自身を含む): 174625200

約数和(自身を除く): 107908760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 34039, 68078, 136156, 170195, 238273, 272312, 340390, 476546, 680780, 953092, 1191365, 1361560, 1667911, 1906184, 2382730, 3335822, 4765460, 6671644, 8339555, 9530920, 13343288, 16679110, 33358220, 66716440]

約数ペア:

[(1, 66716440), (2, 33358220), (4, 16679110), (5, 13343288), (7, 9530920), (8, 8339555), (10, 6671644), (14, 4765460), (20, 3335822), (28, 2382730), (35, 1906184), (40, 1667911), (49, 1361560), (56, 1191365), (70, 953092), (98, 680780), (140, 476546), (196, 340390), (245, 272312), (280, 238273), (392, 170195), (490, 136156), (980, 68078), (1960, 34039)]