26829020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21991}}^1$

素因数の和:22061

約数の個数: 24

約数和(自身を含む): 57267168

約数和(自身を除く): 30438148

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21991, 43982, 87964, 109955, 219910, 439820, 1341451, 2682902, 5365804, 6707255, 13414510, 26829020]

約数ペア:

[(1, 26829020), (2, 13414510), (4, 6707255), (5, 5365804), (10, 2682902), (20, 1341451), (61, 439820), (122, 219910), (244, 109955), (305, 87964), (610, 43982), (1220, 21991)]