25841270

素因数分解:

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

素因数の和:489

約数の個数: 64

約数和(自身を含む): 58181760

約数和(自身を除く): 32340490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 389, 455, 511, 730, 778, 910, 949, 1022, 1898, 1945, 2555, 2723, 3890, 4745, 5057, 5110, 5446, 6643, 9490, 10114, 13286, 13615, 25285, 27230, 28397, 33215, 35399, 50570, 56794, 66430, 70798, 141985, 176995, 198779, 283970, 353990, 369161, 397558, 738322, 993895, 1845805, 1987790, 2584127, 3691610, 5168254, 12920635, 25841270]

約数ペア:

[(1, 25841270), (2, 12920635), (5, 5168254), (7, 3691610), (10, 2584127), (13, 1987790), (14, 1845805), (26, 993895), (35, 738322), (65, 397558), (70, 369161), (73, 353990), (91, 283970), (130, 198779), (146, 176995), (182, 141985), (365, 70798), (389, 66430), (455, 56794), (511, 50570), (730, 35399), (778, 33215), (910, 28397), (949, 27230), (1022, 25285), (1898, 13615), (1945, 13286), (2555, 10114), (2723, 9490), (3890, 6643), (4745, 5446), (5057, 5110)]