12840256

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 112

約数和(自身を含む): 31747968

約数和(自身を除く): 18907712

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 61, 64, 88, 92, 104, 122, 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, 1472, 1586, 1952, 2024, 2288, 2392, 2684, 2806, 3172, 3289, 3904, 4048, 4576, 4784, 5368, 5612, 6344, 6578, 8096, 8723, 9152, 9568, 10736, 11224, 12688, 13156, 15433, 16192, 17446, 18239, 19136, 21472, 22448, 25376, 26312, 30866, 34892, 36478, 42944, 44896, 50752, 52624, 61732, 69784, 72956, 89792, 105248, 123464, 139568, 145912, 200629, 210496, 246928, 279136, 291824, 401258, 493856, 558272, 583648, 802516, 987712, 1167296, 1605032, 3210064, 6420128, 12840256]

約数ペア:

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