1640251256

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{3257}}^1$

素因数の和:3333

約数の個数: 96

約数和(自身を含む): 3891615840

約数和(自身を除く): 2251364584

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, 529, 644, 782, 952, 1058, 1288, 1564, 2116, 2737, 3128, 3257, 3703, 4232, 5474, 6514, 7406, 8993, 10948, 13028, 14812, 17986, 21896, 22799, 26056, 29624, 35972, 45598, 55369, 62951, 71944, 74911, 91196, 110738, 125902, 149822, 182392, 221476, 251804, 299644, 387583, 442952, 503608, 524377, 599288, 775166, 1048754, 1273487, 1550332, 1722953, 2097508, 2546974, 3100664, 3445906, 4195016, 5093948, 6891812, 8914409, 10187896, 12060671, 13783624, 17828818, 24121342, 29290201, 35657636, 48242684, 58580402, 71315272, 96485368, 117160804, 205031407, 234321608, 410062814, 820125628, 1640251256]

約数ペア:

[(1, 1640251256), (2, 820125628), (4, 410062814), (7, 234321608), (8, 205031407), (14, 117160804), (17, 96485368), (23, 71315272), (28, 58580402), (34, 48242684), (46, 35657636), (56, 29290201), (68, 24121342), (92, 17828818), (119, 13783624), (136, 12060671), (161, 10187896), (184, 8914409), (238, 6891812), (322, 5093948), (391, 4195016), (476, 3445906), (529, 3100664), (644, 2546974), (782, 2097508), (952, 1722953), (1058, 1550332), (1288, 1273487), (1564, 1048754), (2116, 775166), (2737, 599288), (3128, 524377), (3257, 503608), (3703, 442952), (4232, 387583), (5474, 299644), (6514, 251804), (7406, 221476), (8993, 182392), (10948, 149822), (13028, 125902), (14812, 110738), (17986, 91196), (21896, 74911), (22799, 71944), (26056, 62951), (29624, 55369), (35972, 45598)]