25680512

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 63745920

約数和(自身を除く): 38065408

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 61, 64, 88, 92, 104, 122, 128, 143, 176, 184, 208, 244, 253, 286, 299, 352, 368, 416, 488, 506, 572, 598, 671, 704, 736, 793, 832, 976, 1012, 1144, 1196, 1342, 1403, 1408, 1472, 1586, 1664, 1952, 2024, 2288, 2392, 2684, 2806, 2944, 3172, 3289, 3904, 4048, 4576, 4784, 5368, 5612, 6344, 6578, 7808, 8096, 8723, 9152, 9568, 10736, 11224, 12688, 13156, 15433, 16192, 17446, 18239, 18304, 19136, 21472, 22448, 25376, 26312, 30866, 32384, 34892, 36478, 38272, 42944, 44896, 50752, 52624, 61732, 69784, 72956, 85888, 89792, 101504, 105248, 123464, 139568, 145912, 179584, 200629, 210496, 246928, 279136, 291824, 401258, 420992, 493856, 558272, 583648, 802516, 987712, 1116544, 1167296, 1605032, 1975424, 2334592, 3210064, 6420128, 12840256, 25680512]

約数ペア:

[(1, 25680512), (2, 12840256), (4, 6420128), (8, 3210064), (11, 2334592), (13, 1975424), (16, 1605032), (22, 1167296), (23, 1116544), (26, 987712), (32, 802516), (44, 583648), (46, 558272), (52, 493856), (61, 420992), (64, 401258), (88, 291824), (92, 279136), (104, 246928), (122, 210496), (128, 200629), (143, 179584), (176, 145912), (184, 139568), (208, 123464), (244, 105248), (253, 101504), (286, 89792), (299, 85888), (352, 72956), (368, 69784), (416, 61732), (488, 52624), (506, 50752), (572, 44896), (598, 42944), (671, 38272), (704, 36478), (736, 34892), (793, 32384), (832, 30866), (976, 26312), (1012, 25376), (1144, 22448), (1196, 21472), (1342, 19136), (1403, 18304), (1408, 18239), (1472, 17446), (1586, 16192), (1664, 15433), (1952, 13156), (2024, 12688), (2288, 11224), (2392, 10736), (2684, 9568), (2806, 9152), (2944, 8723), (3172, 8096), (3289, 7808), (3904, 6578), (4048, 6344), (4576, 5612), (4784, 5368)]