25857100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 61107200

約数和(自身を除く): 35250100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 439, 475, 589, 620, 775, 878, 950, 1178, 1550, 1756, 1900, 2195, 2356, 2945, 3100, 4390, 5890, 8341, 8780, 10975, 11780, 13609, 14725, 16682, 21950, 27218, 29450, 33364, 41705, 43900, 54436, 58900, 68045, 83410, 136090, 166820, 208525, 258571, 272180, 340225, 417050, 517142, 680450, 834100, 1034284, 1292855, 1360900, 2585710, 5171420, 6464275, 12928550, 25857100]

約数ペア:

[(1, 25857100), (2, 12928550), (4, 6464275), (5, 5171420), (10, 2585710), (19, 1360900), (20, 1292855), (25, 1034284), (31, 834100), (38, 680450), (50, 517142), (62, 417050), (76, 340225), (95, 272180), (100, 258571), (124, 208525), (155, 166820), (190, 136090), (310, 83410), (380, 68045), (439, 58900), (475, 54436), (589, 43900), (620, 41705), (775, 33364), (878, 29450), (950, 27218), (1178, 21950), (1550, 16682), (1756, 14725), (1900, 13609), (2195, 11780), (2356, 10975), (2945, 8780), (3100, 8341), (4390, 5890)]