25384784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:939

約数の個数: 40

約数和(自身を含む): 51663360

約数和(自身を除く): 26278576

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 839, 976, 1678, 1891, 3356, 3782, 6712, 7564, 13424, 15128, 26009, 30256, 51179, 52018, 102358, 104036, 204716, 208072, 409432, 416144, 818864, 1586549, 3173098, 6346196, 12692392, 25384784]

約数ペア:

[(1, 25384784), (2, 12692392), (4, 6346196), (8, 3173098), (16, 1586549), (31, 818864), (61, 416144), (62, 409432), (122, 208072), (124, 204716), (244, 104036), (248, 102358), (488, 52018), (496, 51179), (839, 30256), (976, 26009), (1678, 15128), (1891, 13424), (3356, 7564), (3782, 6712)]