12585490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 23328000

約数和(自身を除く): 10742510

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 179, 358, 395, 445, 790, 890, 895, 1790, 7031, 14062, 14141, 15931, 28282, 31862, 35155, 70310, 70705, 79655, 141410, 159310, 1258549, 2517098, 6292745, 12585490]

約数ペア:

[(1, 12585490), (2, 6292745), (5, 2517098), (10, 1258549), (79, 159310), (89, 141410), (158, 79655), (178, 70705), (179, 70310), (358, 35155), (395, 31862), (445, 28282), (790, 15931), (890, 14141), (895, 14062), (1790, 7031)]