40688725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 65710080

約数和(自身を除く): 25021355

約数列:

[1, 5, 7, 11, 23, 25, 35, 55, 77, 115, 161, 175, 253, 275, 385, 575, 805, 919, 1265, 1771, 1925, 4025, 4595, 6325, 6433, 8855, 10109, 21137, 22975, 32165, 44275, 50545, 70763, 105685, 147959, 160825, 232507, 252725, 353815, 528425, 739795, 1162535, 1627549, 1769075, 3698975, 5812675, 8137745, 40688725]

約数ペア:

[(1, 40688725), (5, 8137745), (7, 5812675), (11, 3698975), (23, 1769075), (25, 1627549), (35, 1162535), (55, 739795), (77, 528425), (115, 353815), (161, 252725), (175, 232507), (253, 160825), (275, 147959), (385, 105685), (575, 70763), (805, 50545), (919, 44275), (1265, 32165), (1771, 22975), (1925, 21137), (4025, 10109), (4595, 8855), (6325, 6433)]