205722256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 427191408

約数和(自身を除く): 221469152

約数列:

[1, 2, 4, 8, 16, 41, 53, 61, 82, 97, 106, 122, 164, 194, 212, 244, 328, 388, 424, 488, 656, 776, 848, 976, 1552, 2173, 2501, 3233, 3977, 4346, 5002, 5141, 5917, 6466, 7954, 8692, 10004, 10282, 11834, 12932, 15908, 17384, 20008, 20564, 23668, 25864, 31816, 34768, 40016, 41128, 47336, 51728, 63632, 82256, 94672, 132553, 210781, 242597, 265106, 313601, 421562, 485194, 530212, 627202, 843124, 970388, 1060424, 1254404, 1686248, 1940776, 2120848, 2508808, 3372496, 3881552, 5017616, 12857641, 25715282, 51430564, 102861128, 205722256]

約数ペア:

[(1, 205722256), (2, 102861128), (4, 51430564), (8, 25715282), (16, 12857641), (41, 5017616), (53, 3881552), (61, 3372496), (82, 2508808), (97, 2120848), (106, 1940776), (122, 1686248), (164, 1254404), (194, 1060424), (212, 970388), (244, 843124), (328, 627202), (388, 530212), (424, 485194), (488, 421562), (656, 313601), (776, 265106), (848, 242597), (976, 210781), (1552, 132553), (2173, 94672), (2501, 82256), (3233, 63632), (3977, 51728), (4346, 47336), (5002, 41128), (5141, 40016), (5917, 34768), (6466, 31816), (7954, 25864), (8692, 23668), (10004, 20564), (10282, 20008), (11834, 17384), (12932, 15908)]