25400788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 55977152

約数和(自身を除く): 30576364

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 73, 86, 119, 146, 172, 238, 289, 292, 301, 476, 511, 578, 602, 731, 1022, 1156, 1204, 1241, 1462, 2023, 2044, 2482, 2924, 3139, 4046, 4964, 5117, 6278, 8092, 8687, 10234, 12427, 12556, 17374, 20468, 21097, 21973, 24854, 34748, 42194, 43946, 49708, 53363, 84388, 86989, 87892, 106726, 147679, 173978, 213452, 295358, 347956, 373541, 590716, 747082, 907171, 1494164, 1814342, 3628684, 6350197, 12700394, 25400788]

約数ペア:

[(1, 25400788), (2, 12700394), (4, 6350197), (7, 3628684), (14, 1814342), (17, 1494164), (28, 907171), (34, 747082), (43, 590716), (68, 373541), (73, 347956), (86, 295358), (119, 213452), (146, 173978), (172, 147679), (238, 106726), (289, 87892), (292, 86989), (301, 84388), (476, 53363), (511, 49708), (578, 43946), (602, 42194), (731, 34748), (1022, 24854), (1156, 21973), (1204, 21097), (1241, 20468), (1462, 17374), (2023, 12556), (2044, 12427), (2482, 10234), (2924, 8687), (3139, 8092), (4046, 6278), (4964, 5117)]