25780920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19531}}^1$

素因数の和:19556

約数の個数: 64

約数和(自身を含む): 84378240

約数和(自身を除く): 58597320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 19531, 39062, 58593, 78124, 97655, 117186, 156248, 195310, 214841, 234372, 292965, 390620, 429682, 468744, 585930, 644523, 781240, 859364, 1074205, 1171860, 1289046, 1718728, 2148410, 2343720, 2578092, 3222615, 4296820, 5156184, 6445230, 8593640, 12890460, 25780920]

約数ペア:

[(1, 25780920), (2, 12890460), (3, 8593640), (4, 6445230), (5, 5156184), (6, 4296820), (8, 3222615), (10, 2578092), (11, 2343720), (12, 2148410), (15, 1718728), (20, 1289046), (22, 1171860), (24, 1074205), (30, 859364), (33, 781240), (40, 644523), (44, 585930), (55, 468744), (60, 429682), (66, 390620), (88, 292965), (110, 234372), (120, 214841), (132, 195310), (165, 156248), (220, 117186), (264, 97655), (330, 78124), (440, 58593), (660, 39062), (1320, 19531)]