3196880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 40

約数和(自身を含む): 7533000

約数和(自身を除く): 4336120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 449, 712, 890, 898, 1424, 1780, 1796, 2245, 3560, 3592, 4490, 7120, 7184, 8980, 17960, 35920, 39961, 79922, 159844, 199805, 319688, 399610, 639376, 799220, 1598440, 3196880]

約数ペア:

[(1, 3196880), (2, 1598440), (4, 799220), (5, 639376), (8, 399610), (10, 319688), (16, 199805), (20, 159844), (40, 79922), (80, 39961), (89, 35920), (178, 17960), (356, 8980), (445, 7184), (449, 7120), (712, 4490), (890, 3592), (898, 3560), (1424, 2245), (1780, 1796)]