29838140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16763}}^1$

素因数の和:16861

約数の個数: 24

約数和(自身を含む): 63367920

約数和(自身を除く): 33529780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16763, 33526, 67052, 83815, 167630, 335260, 1491907, 2983814, 5967628, 7459535, 14919070, 29838140]

約数ペア:

[(1, 29838140), (2, 14919070), (4, 7459535), (5, 5967628), (10, 2983814), (20, 1491907), (89, 335260), (178, 167630), (356, 83815), (445, 67052), (890, 33526), (1780, 16763)]