12810655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 7510625

約数列:

[1, 5, 11, 13, 19, 23, 41, 55, 65, 95, 115, 143, 205, 209, 247, 253, 299, 437, 451, 533, 715, 779, 943, 1045, 1235, 1265, 1495, 2185, 2255, 2665, 2717, 3289, 3895, 4715, 4807, 5681, 5863, 8569, 10127, 10373, 12259, 13585, 16445, 17917, 24035, 28405, 29315, 42845, 50635, 51865, 61295, 62491, 89585, 111397, 134849, 197087, 232921, 312455, 556985, 674245, 985435, 1164605, 2562131, 12810655]

約数ペア:

[(1, 12810655), (5, 2562131), (11, 1164605), (13, 985435), (19, 674245), (23, 556985), (41, 312455), (55, 232921), (65, 197087), (95, 134849), (115, 111397), (143, 89585), (205, 62491), (209, 61295), (247, 51865), (253, 50635), (299, 42845), (437, 29315), (451, 28405), (533, 24035), (715, 17917), (779, 16445), (943, 13585), (1045, 12259), (1235, 10373), (1265, 10127), (1495, 8569), (2185, 5863), (2255, 5681), (2665, 4807), (2717, 4715), (3289, 3895)]