25964480

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 56

約数和(自身を含む): 63367920

約数和(自身を除く): 37403440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 1979, 2624, 3280, 3958, 6560, 7916, 9895, 13120, 15832, 19790, 31664, 39580, 63328, 79160, 81139, 126656, 158320, 162278, 316640, 324556, 405695, 633280, 649112, 811390, 1298224, 1622780, 2596448, 3245560, 5192896, 6491120, 12982240, 25964480]

約数ペア:

[(1, 25964480), (2, 12982240), (4, 6491120), (5, 5192896), (8, 3245560), (10, 2596448), (16, 1622780), (20, 1298224), (32, 811390), (40, 649112), (41, 633280), (64, 405695), (80, 324556), (82, 316640), (160, 162278), (164, 158320), (205, 126656), (320, 81139), (328, 79160), (410, 63328), (656, 39580), (820, 31664), (1312, 19790), (1640, 15832), (1979, 13120), (2624, 9895), (3280, 7916), (3958, 6560)]