20180123120

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4759463}}^1$

素因数の和:4759529

約数の個数: 40

約数和(自身を含む): 47804056416

約数和(自身を除く): 27623933296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4759463, 9518926, 19037852, 23797315, 38075704, 47594630, 76151408, 95189260, 190378520, 252251539, 380757040, 504503078, 1009006156, 1261257695, 2018012312, 2522515390, 4036024624, 5045030780, 10090061560, 20180123120]

約数ペア:

[(1, 20180123120), (2, 10090061560), (4, 5045030780), (5, 4036024624), (8, 2522515390), (10, 2018012312), (16, 1261257695), (20, 1009006156), (40, 504503078), (53, 380757040), (80, 252251539), (106, 190378520), (212, 95189260), (265, 76151408), (424, 47594630), (530, 38075704), (848, 23797315), (1060, 19037852), (2120, 9518926), (4240, 4759463)]