1625680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2903}}^1$

素因数の和:2923

約数の個数: 40

約数和(自身を含む): 4321152

約数和(自身を除く): 2695472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2903, 5806, 11612, 14515, 20321, 23224, 29030, 40642, 46448, 58060, 81284, 101605, 116120, 162568, 203210, 232240, 325136, 406420, 812840, 1625680]

約数ペア:

[(1, 1625680), (2, 812840), (4, 406420), (5, 325136), (7, 232240), (8, 203210), (10, 162568), (14, 116120), (16, 101605), (20, 81284), (28, 58060), (35, 46448), (40, 40642), (56, 29030), (70, 23224), (80, 20321), (112, 14515), (140, 11612), (280, 5806), (560, 2903)]