16742680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4703}}^1$

素因数の和:4803

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 21359720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4703, 9406, 18812, 23515, 37624, 47030, 94060, 188120, 418567, 837134, 1674268, 2092835, 3348536, 4185670, 8371340, 16742680]

約数ペア:

[(1, 16742680), (2, 8371340), (4, 4185670), (5, 3348536), (8, 2092835), (10, 1674268), (20, 837134), (40, 418567), (89, 188120), (178, 94060), (356, 47030), (445, 37624), (712, 23515), (890, 18812), (1780, 9406), (3560, 4703)]