25640216

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 60756480

約数和(自身を除く): 35116264

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 952, 1171, 1288, 1564, 2342, 2737, 3128, 4684, 5474, 8197, 9368, 10948, 16394, 19907, 21896, 26933, 32788, 39814, 53866, 65576, 79628, 107732, 139349, 159256, 188531, 215464, 278698, 377062, 457861, 557396, 754124, 915722, 1114792, 1508248, 1831444, 3205027, 3662888, 6410054, 12820108, 25640216]

約数ペア:

[(1, 25640216), (2, 12820108), (4, 6410054), (7, 3662888), (8, 3205027), (14, 1831444), (17, 1508248), (23, 1114792), (28, 915722), (34, 754124), (46, 557396), (56, 457861), (68, 377062), (92, 278698), (119, 215464), (136, 188531), (161, 159256), (184, 139349), (238, 107732), (322, 79628), (391, 65576), (476, 53866), (644, 39814), (782, 32788), (952, 26933), (1171, 21896), (1288, 19907), (1564, 16394), (2342, 10948), (2737, 9368), (3128, 8197), (4684, 5474)]