12406520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 32486400

約数和(自身を除く): 20079880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 751, 826, 1180, 1502, 1652, 2065, 2360, 3004, 3304, 3755, 4130, 5257, 6008, 7510, 8260, 10514, 15020, 16520, 21028, 26285, 30040, 42056, 44309, 52570, 88618, 105140, 177236, 210280, 221545, 310163, 354472, 443090, 620326, 886180, 1240652, 1550815, 1772360, 2481304, 3101630, 6203260, 12406520]

約数ペア:

[(1, 12406520), (2, 6203260), (4, 3101630), (5, 2481304), (7, 1772360), (8, 1550815), (10, 1240652), (14, 886180), (20, 620326), (28, 443090), (35, 354472), (40, 310163), (56, 221545), (59, 210280), (70, 177236), (118, 105140), (140, 88618), (236, 52570), (280, 44309), (295, 42056), (413, 30040), (472, 26285), (590, 21028), (751, 16520), (826, 15020), (1180, 10514), (1502, 8260), (1652, 7510), (2065, 6008), (2360, 5257), (3004, 4130), (3304, 3755)]