22402510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 43636320

約数和(自身を除く): 21233810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 443, 778, 886, 1945, 2215, 3890, 4430, 5057, 5759, 10114, 11518, 25285, 28795, 50570, 57590, 172327, 344654, 861635, 1723270, 2240251, 4480502, 11201255, 22402510]

約数ペア:

[(1, 22402510), (2, 11201255), (5, 4480502), (10, 2240251), (13, 1723270), (26, 861635), (65, 344654), (130, 172327), (389, 57590), (443, 50570), (778, 28795), (886, 25285), (1945, 11518), (2215, 10114), (3890, 5759), (4430, 5057)]