12755840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 32130000

約数和(自身を除く): 19374160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1049, 1216, 1520, 2098, 2432, 3040, 4196, 5245, 6080, 8392, 10490, 12160, 16784, 19931, 20980, 33568, 39862, 41960, 67136, 79724, 83920, 99655, 134272, 159448, 167840, 199310, 318896, 335680, 398620, 637792, 671360, 797240, 1275584, 1594480, 2551168, 3188960, 6377920, 12755840]

約数ペア:

[(1, 12755840), (2, 6377920), (4, 3188960), (5, 2551168), (8, 1594480), (10, 1275584), (16, 797240), (19, 671360), (20, 637792), (32, 398620), (38, 335680), (40, 318896), (64, 199310), (76, 167840), (80, 159448), (95, 134272), (128, 99655), (152, 83920), (160, 79724), (190, 67136), (304, 41960), (320, 39862), (380, 33568), (608, 20980), (640, 19931), (760, 16784), (1049, 12160), (1216, 10490), (1520, 8392), (2098, 6080), (2432, 5245), (3040, 4196)]