8345680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2129}}^1$

素因数の和:2156

約数の個数: 60

約数和(自身を含む): 22582260

約数和(自身を除く): 14236580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 2129, 3920, 4258, 8516, 10645, 14903, 17032, 21290, 29806, 34064, 42580, 59612, 74515, 85160, 104321, 119224, 149030, 170320, 208642, 238448, 298060, 417284, 521605, 596120, 834568, 1043210, 1192240, 1669136, 2086420, 4172840, 8345680]

約数ペア:

[(1, 8345680), (2, 4172840), (4, 2086420), (5, 1669136), (7, 1192240), (8, 1043210), (10, 834568), (14, 596120), (16, 521605), (20, 417284), (28, 298060), (35, 238448), (40, 208642), (49, 170320), (56, 149030), (70, 119224), (80, 104321), (98, 85160), (112, 74515), (140, 59612), (196, 42580), (245, 34064), (280, 29806), (392, 21290), (490, 17032), (560, 14903), (784, 10645), (980, 8516), (1960, 4258), (2129, 3920)]