26722540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 61246080

約数和(自身を除く): 34523540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1301, 1580, 2054, 2602, 4108, 5135, 5204, 6505, 10270, 13010, 16913, 20540, 26020, 33826, 67652, 84565, 102779, 169130, 205558, 338260, 411116, 513895, 1027790, 1336127, 2055580, 2672254, 5344508, 6680635, 13361270, 26722540]

約数ペア:

[(1, 26722540), (2, 13361270), (4, 6680635), (5, 5344508), (10, 2672254), (13, 2055580), (20, 1336127), (26, 1027790), (52, 513895), (65, 411116), (79, 338260), (130, 205558), (158, 169130), (260, 102779), (316, 84565), (395, 67652), (790, 33826), (1027, 26020), (1301, 20540), (1580, 16913), (2054, 13010), (2602, 10270), (4108, 6505), (5135, 5204)]