4189960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 9830700

約数和(自身を除く): 5640740

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 961, 1090, 1240, 1922, 2180, 3379, 3844, 4360, 4805, 6758, 7688, 9610, 13516, 16895, 19220, 27032, 33790, 38440, 67580, 104749, 135160, 209498, 418996, 523745, 837992, 1047490, 2094980, 4189960]

約数ペア:

[(1, 4189960), (2, 2094980), (4, 1047490), (5, 837992), (8, 523745), (10, 418996), (20, 209498), (31, 135160), (40, 104749), (62, 67580), (109, 38440), (124, 33790), (155, 27032), (218, 19220), (248, 16895), (310, 13516), (436, 9610), (545, 7688), (620, 6758), (872, 4805), (961, 4360), (1090, 3844), (1240, 3379), (1922, 2180)]