13223240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 31795200

約数和(自身を除く): 18571960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 137, 152, 190, 254, 274, 380, 508, 548, 635, 685, 760, 1016, 1096, 1270, 1370, 2413, 2540, 2603, 2740, 4826, 5080, 5206, 5480, 9652, 10412, 12065, 13015, 17399, 19304, 20824, 24130, 26030, 34798, 48260, 52060, 69596, 86995, 96520, 104120, 139192, 173990, 330581, 347980, 661162, 695960, 1322324, 1652905, 2644648, 3305810, 6611620, 13223240]

約数ペア:

[(1, 13223240), (2, 6611620), (4, 3305810), (5, 2644648), (8, 1652905), (10, 1322324), (19, 695960), (20, 661162), (38, 347980), (40, 330581), (76, 173990), (95, 139192), (127, 104120), (137, 96520), (152, 86995), (190, 69596), (254, 52060), (274, 48260), (380, 34798), (508, 26030), (548, 24130), (635, 20824), (685, 19304), (760, 17399), (1016, 13015), (1096, 12065), (1270, 10412), (1370, 9652), (2413, 5480), (2540, 5206), (2603, 5080), (2740, 4826)]