25328368

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 120

約数和(自身を含む): 61268400

約数和(自身を除く): 35940032

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 29, 34, 38, 52, 58, 68, 76, 104, 116, 136, 152, 169, 208, 221, 232, 247, 272, 304, 323, 338, 377, 442, 464, 493, 494, 551, 646, 676, 754, 884, 986, 988, 1102, 1292, 1352, 1508, 1768, 1972, 1976, 2204, 2584, 2704, 2873, 3016, 3211, 3536, 3944, 3952, 4199, 4408, 4901, 5168, 5746, 6032, 6409, 6422, 7163, 7888, 8398, 8816, 9367, 9802, 11492, 12818, 12844, 14326, 16796, 18734, 19604, 22984, 25636, 25688, 28652, 33592, 37468, 39208, 45968, 51272, 51376, 54587, 57304, 67184, 74936, 78416, 83317, 93119, 102544, 109174, 114608, 121771, 149872, 166634, 186238, 218348, 243542, 333268, 372476, 436696, 487084, 666536, 744952, 873392, 974168, 1333072, 1489904, 1583023, 1948336, 3166046, 6332092, 12664184, 25328368]

約数ペア:

[(1, 25328368), (2, 12664184), (4, 6332092), (8, 3166046), (13, 1948336), (16, 1583023), (17, 1489904), (19, 1333072), (26, 974168), (29, 873392), (34, 744952), (38, 666536), (52, 487084), (58, 436696), (68, 372476), (76, 333268), (104, 243542), (116, 218348), (136, 186238), (152, 166634), (169, 149872), (208, 121771), (221, 114608), (232, 109174), (247, 102544), (272, 93119), (304, 83317), (323, 78416), (338, 74936), (377, 67184), (442, 57304), (464, 54587), (493, 51376), (494, 51272), (551, 45968), (646, 39208), (676, 37468), (754, 33592), (884, 28652), (986, 25688), (988, 25636), (1102, 22984), (1292, 19604), (1352, 18734), (1508, 16796), (1768, 14326), (1972, 12844), (1976, 12818), (2204, 11492), (2584, 9802), (2704, 9367), (2873, 8816), (3016, 8398), (3211, 7888), (3536, 7163), (3944, 6422), (3952, 6409), (4199, 6032), (4408, 5746), (4901, 5168)]