223665880

素因数分解:

$2^3\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{2687}}^1$

素因数の和:4779

約数の個数: 32

約数和(自身を含む): 503677440

約数和(自身を除く): 280011560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2081, 2687, 4162, 5374, 8324, 10405, 10748, 13435, 16648, 20810, 21496, 26870, 41620, 53740, 83240, 107480, 5591647, 11183294, 22366588, 27958235, 44733176, 55916470, 111832940, 223665880]

約数ペア:

[(1, 223665880), (2, 111832940), (4, 55916470), (5, 44733176), (8, 27958235), (10, 22366588), (20, 11183294), (40, 5591647), (2081, 107480), (2687, 83240), (4162, 53740), (5374, 41620), (8324, 26870), (10405, 21496), (10748, 20810), (13435, 16648)]