22015325

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 28212480

約数和(自身を除く): 6197155

約数列:

[1, 5, 25, 71, 79, 157, 355, 395, 785, 1775, 1975, 3925, 5609, 11147, 12403, 28045, 55735, 62015, 140225, 278675, 310075, 880613, 4403065, 22015325]

約数ペア:

[(1, 22015325), (5, 4403065), (25, 880613), (71, 310075), (79, 278675), (157, 140225), (355, 62015), (395, 55735), (785, 28045), (1775, 12403), (1975, 11147), (3925, 5609)]