13247920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 36122688

約数和(自身を除く): 22874768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 577, 656, 820, 1148, 1154, 1435, 1640, 2296, 2308, 2870, 2885, 3280, 4039, 4592, 4616, 5740, 5770, 8078, 9232, 11480, 11540, 16156, 20195, 22960, 23080, 23657, 32312, 40390, 46160, 47314, 64624, 80780, 94628, 118285, 161560, 165599, 189256, 236570, 323120, 331198, 378512, 473140, 662396, 827995, 946280, 1324792, 1655990, 1892560, 2649584, 3311980, 6623960, 13247920]

約数ペア:

[(1, 13247920), (2, 6623960), (4, 3311980), (5, 2649584), (7, 1892560), (8, 1655990), (10, 1324792), (14, 946280), (16, 827995), (20, 662396), (28, 473140), (35, 378512), (40, 331198), (41, 323120), (56, 236570), (70, 189256), (80, 165599), (82, 161560), (112, 118285), (140, 94628), (164, 80780), (205, 64624), (280, 47314), (287, 46160), (328, 40390), (410, 32312), (560, 23657), (574, 23080), (577, 22960), (656, 20195), (820, 16156), (1148, 11540), (1154, 11480), (1435, 9232), (1640, 8078), (2296, 5770), (2308, 5740), (2870, 4616), (2885, 4592), (3280, 4039)]