4638680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1303}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 10562400

約数和(自身を除く): 5923720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1303, 1780, 2606, 3560, 5212, 6515, 10424, 13030, 26060, 52120, 115967, 231934, 463868, 579835, 927736, 1159670, 2319340, 4638680]

約数ペア:

[(1, 4638680), (2, 2319340), (4, 1159670), (5, 927736), (8, 579835), (10, 463868), (20, 231934), (40, 115967), (89, 52120), (178, 26060), (356, 13030), (445, 10424), (712, 6515), (890, 5212), (1303, 3560), (1780, 2606)]