5128180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 11309760

約数和(自身を除く): 6181580

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 89, 134, 172, 178, 215, 268, 335, 356, 430, 445, 670, 860, 890, 1340, 1780, 2881, 3827, 5762, 5963, 7654, 11524, 11926, 14405, 15308, 19135, 23852, 28810, 29815, 38270, 57620, 59630, 76540, 119260, 256409, 512818, 1025636, 1282045, 2564090, 5128180]

約数ペア:

[(1, 5128180), (2, 2564090), (4, 1282045), (5, 1025636), (10, 512818), (20, 256409), (43, 119260), (67, 76540), (86, 59630), (89, 57620), (134, 38270), (172, 29815), (178, 28810), (215, 23852), (268, 19135), (335, 15308), (356, 14405), (430, 11926), (445, 11524), (670, 7654), (860, 5963), (890, 5762), (1340, 3827), (1780, 2881)]