12982240

素因数分解:

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

素因数の和:2035

約数の個数: 48

約数和(自身を含む): 31434480

約数和(自身を除く): 18452240

約数列:

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

約数ペア:

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