8379920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 20316780

約数和(自身を除く): 11936860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 109, 124, 155, 218, 248, 310, 436, 496, 545, 620, 872, 961, 1090, 1240, 1744, 1922, 2180, 2480, 3379, 3844, 4360, 4805, 6758, 7688, 8720, 9610, 13516, 15376, 16895, 19220, 27032, 33790, 38440, 54064, 67580, 76880, 104749, 135160, 209498, 270320, 418996, 523745, 837992, 1047490, 1675984, 2094980, 4189960, 8379920]

約数ペア:

[(1, 8379920), (2, 4189960), (4, 2094980), (5, 1675984), (8, 1047490), (10, 837992), (16, 523745), (20, 418996), (31, 270320), (40, 209498), (62, 135160), (80, 104749), (109, 76880), (124, 67580), (155, 54064), (218, 38440), (248, 33790), (310, 27032), (436, 19220), (496, 16895), (545, 15376), (620, 13516), (872, 9610), (961, 8720), (1090, 7688), (1240, 6758), (1744, 4805), (1922, 4360), (2180, 3844), (2480, 3379)]