47686960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 118072800

約数和(自身を除く): 70385840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 229, 274, 304, 380, 458, 548, 685, 760, 916, 1096, 1145, 1370, 1520, 1832, 2192, 2290, 2603, 2740, 3664, 4351, 4580, 5206, 5480, 8702, 9160, 10412, 10960, 13015, 17404, 18320, 20824, 21755, 26030, 31373, 34808, 41648, 43510, 52060, 62746, 69616, 87020, 104120, 125492, 156865, 174040, 208240, 250984, 313730, 348080, 501968, 596087, 627460, 1192174, 1254920, 2384348, 2509840, 2980435, 4768696, 5960870, 9537392, 11921740, 23843480, 47686960]

約数ペア:

[(1, 47686960), (2, 23843480), (4, 11921740), (5, 9537392), (8, 5960870), (10, 4768696), (16, 2980435), (19, 2509840), (20, 2384348), (38, 1254920), (40, 1192174), (76, 627460), (80, 596087), (95, 501968), (137, 348080), (152, 313730), (190, 250984), (229, 208240), (274, 174040), (304, 156865), (380, 125492), (458, 104120), (548, 87020), (685, 69616), (760, 62746), (916, 52060), (1096, 43510), (1145, 41648), (1370, 34808), (1520, 31373), (1832, 26030), (2192, 21755), (2290, 20824), (2603, 18320), (2740, 17404), (3664, 13015), (4351, 10960), (4580, 10412), (5206, 9160), (5480, 8702)]