25056616

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 52176960

約数和(自身を除く): 27120344

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 431, 559, 676, 862, 1118, 1352, 1724, 2236, 3448, 4472, 5603, 7267, 11206, 14534, 18533, 22412, 29068, 37066, 44824, 58136, 72839, 74132, 145678, 148264, 240929, 291356, 481858, 582712, 963716, 1927432, 3132077, 6264154, 12528308, 25056616]

約数ペア:

[(1, 25056616), (2, 12528308), (4, 6264154), (8, 3132077), (13, 1927432), (26, 963716), (43, 582712), (52, 481858), (86, 291356), (104, 240929), (169, 148264), (172, 145678), (338, 74132), (344, 72839), (431, 58136), (559, 44824), (676, 37066), (862, 29068), (1118, 22412), (1352, 18533), (1724, 14534), (2236, 11206), (3448, 7267), (4472, 5603)]