16386680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4603}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 37292400

約数和(自身を除く): 20905720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4603, 9206, 18412, 23015, 36824, 46030, 92060, 184120, 409667, 819334, 1638668, 2048335, 3277336, 4096670, 8193340, 16386680]

約数ペア:

[(1, 16386680), (2, 8193340), (4, 4096670), (5, 3277336), (8, 2048335), (10, 1638668), (20, 819334), (40, 409667), (89, 184120), (178, 92060), (356, 46030), (445, 36824), (712, 23015), (890, 18412), (1780, 9206), (3560, 4603)]