2798575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3819200

約数和(自身を除く): 1020625

約数列:

[1, 5, 13, 25, 65, 79, 109, 325, 395, 545, 1027, 1417, 1975, 2725, 5135, 7085, 8611, 25675, 35425, 43055, 111943, 215275, 559715, 2798575]

約数ペア:

[(1, 2798575), (5, 559715), (13, 215275), (25, 111943), (65, 43055), (79, 35425), (109, 25675), (325, 8611), (395, 7085), (545, 5135), (1027, 2725), (1417, 1975)]