51682540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 135757440

約数和(自身を除く): 84074900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 364, 365, 389, 455, 511, 730, 778, 910, 949, 1022, 1460, 1556, 1820, 1898, 1945, 2044, 2555, 2723, 3796, 3890, 4745, 5057, 5110, 5446, 6643, 7780, 9490, 10114, 10220, 10892, 13286, 13615, 18980, 20228, 25285, 26572, 27230, 28397, 33215, 35399, 50570, 54460, 56794, 66430, 70798, 101140, 113588, 132860, 141596, 141985, 176995, 198779, 283970, 353990, 369161, 397558, 567940, 707980, 738322, 795116, 993895, 1476644, 1845805, 1987790, 2584127, 3691610, 3975580, 5168254, 7383220, 10336508, 12920635, 25841270, 51682540]

約数ペア:

[(1, 51682540), (2, 25841270), (4, 12920635), (5, 10336508), (7, 7383220), (10, 5168254), (13, 3975580), (14, 3691610), (20, 2584127), (26, 1987790), (28, 1845805), (35, 1476644), (52, 993895), (65, 795116), (70, 738322), (73, 707980), (91, 567940), (130, 397558), (140, 369161), (146, 353990), (182, 283970), (260, 198779), (292, 176995), (364, 141985), (365, 141596), (389, 132860), (455, 113588), (511, 101140), (730, 70798), (778, 66430), (910, 56794), (949, 54460), (1022, 50570), (1460, 35399), (1556, 33215), (1820, 28397), (1898, 27230), (1945, 26572), (2044, 25285), (2555, 20228), (2723, 18980), (3796, 13615), (3890, 13286), (4745, 10892), (5057, 10220), (5110, 10114), (5446, 9490), (6643, 7780)]