25216928

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 54976320

約数和(自身を除く): 29759392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1009, 1136, 1562, 2018, 2272, 3124, 4036, 6248, 8072, 11099, 12496, 16144, 22198, 24992, 32288, 44396, 71639, 88792, 143278, 177584, 286556, 355168, 573112, 788029, 1146224, 1576058, 2292448, 3152116, 6304232, 12608464, 25216928]

約数ペア:

[(1, 25216928), (2, 12608464), (4, 6304232), (8, 3152116), (11, 2292448), (16, 1576058), (22, 1146224), (32, 788029), (44, 573112), (71, 355168), (88, 286556), (142, 177584), (176, 143278), (284, 88792), (352, 71639), (568, 44396), (781, 32288), (1009, 24992), (1136, 22198), (1562, 16144), (2018, 12496), (2272, 11099), (3124, 8072), (4036, 6248)]