12874960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 34747776

約数和(自身を除く): 21872816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 277, 280, 332, 415, 554, 560, 581, 664, 830, 1108, 1162, 1328, 1385, 1660, 1939, 2216, 2324, 2770, 2905, 3320, 3878, 4432, 4648, 5540, 5810, 6640, 7756, 9296, 9695, 11080, 11620, 15512, 19390, 22160, 22991, 23240, 31024, 38780, 45982, 46480, 77560, 91964, 114955, 155120, 160937, 183928, 229910, 321874, 367856, 459820, 643748, 804685, 919640, 1287496, 1609370, 1839280, 2574992, 3218740, 6437480, 12874960]

約数ペア:

[(1, 12874960), (2, 6437480), (4, 3218740), (5, 2574992), (7, 1839280), (8, 1609370), (10, 1287496), (14, 919640), (16, 804685), (20, 643748), (28, 459820), (35, 367856), (40, 321874), (56, 229910), (70, 183928), (80, 160937), (83, 155120), (112, 114955), (140, 91964), (166, 77560), (277, 46480), (280, 45982), (332, 38780), (415, 31024), (554, 23240), (560, 22991), (581, 22160), (664, 19390), (830, 15512), (1108, 11620), (1162, 11080), (1328, 9695), (1385, 9296), (1660, 7756), (1939, 6640), (2216, 5810), (2324, 5540), (2770, 4648), (2905, 4432), (3320, 3878)]