26880490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 60318720

約数和(自身を除く): 33438230

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 109, 130, 182, 218, 271, 455, 542, 545, 763, 910, 1090, 1355, 1417, 1526, 1897, 2710, 2834, 3523, 3794, 3815, 7046, 7085, 7630, 9485, 9919, 14170, 17615, 18970, 19838, 24661, 29539, 35230, 49322, 49595, 59078, 99190, 123305, 147695, 206773, 246610, 295390, 384007, 413546, 768014, 1033865, 1920035, 2067730, 2688049, 3840070, 5376098, 13440245, 26880490]

約数ペア:

[(1, 26880490), (2, 13440245), (5, 5376098), (7, 3840070), (10, 2688049), (13, 2067730), (14, 1920035), (26, 1033865), (35, 768014), (65, 413546), (70, 384007), (91, 295390), (109, 246610), (130, 206773), (182, 147695), (218, 123305), (271, 99190), (455, 59078), (542, 49595), (545, 49322), (763, 35230), (910, 29539), (1090, 24661), (1355, 19838), (1417, 18970), (1526, 17615), (1897, 14170), (2710, 9919), (2834, 9485), (3523, 7630), (3794, 7085), (3815, 7046)]