12666160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 33435360

約数和(自身を除く): 20769200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 641, 760, 988, 1040, 1235, 1282, 1520, 1976, 2470, 2564, 3205, 3952, 4940, 5128, 6410, 8333, 9880, 10256, 12179, 12820, 16666, 19760, 24358, 25640, 33332, 41665, 48716, 51280, 60895, 66664, 83330, 97432, 121790, 133328, 158327, 166660, 194864, 243580, 316654, 333320, 487160, 633308, 666640, 791635, 974320, 1266616, 1583270, 2533232, 3166540, 6333080, 12666160]

約数ペア:

[(1, 12666160), (2, 6333080), (4, 3166540), (5, 2533232), (8, 1583270), (10, 1266616), (13, 974320), (16, 791635), (19, 666640), (20, 633308), (26, 487160), (38, 333320), (40, 316654), (52, 243580), (65, 194864), (76, 166660), (80, 158327), (95, 133328), (104, 121790), (130, 97432), (152, 83330), (190, 66664), (208, 60895), (247, 51280), (260, 48716), (304, 41665), (380, 33332), (494, 25640), (520, 24358), (641, 19760), (760, 16666), (988, 12820), (1040, 12179), (1235, 10256), (1282, 9880), (1520, 8333), (1976, 6410), (2470, 5128), (2564, 4940), (3205, 3952)]