25820440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{22259}}^1$

素因数の和:22299

約数の個数: 32

約数和(自身を含む): 60102000

約数和(自身を除く): 34281560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 22259, 44518, 89036, 111295, 178072, 222590, 445180, 645511, 890360, 1291022, 2582044, 3227555, 5164088, 6455110, 12910220, 25820440]

約数ペア:

[(1, 25820440), (2, 12910220), (4, 6455110), (5, 5164088), (8, 3227555), (10, 2582044), (20, 1291022), (29, 890360), (40, 645511), (58, 445180), (116, 222590), (145, 178072), (232, 111295), (290, 89036), (580, 44518), (1160, 22259)]