25445268

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 68140800

約数和(自身を除く): 42695532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 79, 92, 138, 158, 207, 237, 276, 316, 389, 414, 474, 711, 778, 828, 948, 1167, 1422, 1556, 1817, 2334, 2844, 3501, 3634, 4668, 5451, 7002, 7268, 8947, 10902, 14004, 16353, 17894, 21804, 26841, 30731, 32706, 35788, 53682, 61462, 65412, 80523, 92193, 107364, 122924, 161046, 184386, 276579, 322092, 368772, 553158, 706813, 1106316, 1413626, 2120439, 2827252, 4240878, 6361317, 8481756, 12722634, 25445268]

約数ペア:

[(1, 25445268), (2, 12722634), (3, 8481756), (4, 6361317), (6, 4240878), (9, 2827252), (12, 2120439), (18, 1413626), (23, 1106316), (36, 706813), (46, 553158), (69, 368772), (79, 322092), (92, 276579), (138, 184386), (158, 161046), (207, 122924), (237, 107364), (276, 92193), (316, 80523), (389, 65412), (414, 61462), (474, 53682), (711, 35788), (778, 32706), (828, 30731), (948, 26841), (1167, 21804), (1422, 17894), (1556, 16353), (1817, 14004), (2334, 10902), (2844, 8947), (3501, 7268), (3634, 7002), (4668, 5451)]