80725216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 199221120

約数和(自身を除く): 118495904

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 59, 88, 92, 104, 118, 143, 169, 176, 184, 208, 236, 253, 286, 299, 338, 352, 368, 416, 472, 506, 572, 598, 649, 676, 736, 767, 944, 1012, 1144, 1196, 1298, 1352, 1357, 1534, 1859, 1888, 2024, 2288, 2392, 2596, 2704, 2714, 3068, 3289, 3718, 3887, 4048, 4576, 4784, 5192, 5408, 5428, 6136, 6578, 7436, 7774, 8096, 8437, 9568, 9971, 10384, 10856, 12272, 13156, 14872, 14927, 15548, 16874, 17641, 19942, 20768, 21712, 24544, 26312, 29744, 29854, 31096, 33748, 35282, 39884, 42757, 43424, 52624, 59488, 59708, 62192, 67496, 70564, 79768, 85514, 105248, 109681, 119416, 124384, 134992, 141128, 159536, 171028, 194051, 219362, 229333, 238832, 269984, 282256, 319072, 342056, 388102, 438724, 458666, 477664, 564512, 684112, 776204, 877448, 917332, 1368224, 1552408, 1754896, 1834664, 2522663, 3104816, 3509792, 3669328, 5045326, 6209632, 7338656, 10090652, 20181304, 40362608, 80725216]

約数ペア:

[(1, 80725216), (2, 40362608), (4, 20181304), (8, 10090652), (11, 7338656), (13, 6209632), (16, 5045326), (22, 3669328), (23, 3509792), (26, 3104816), (32, 2522663), (44, 1834664), (46, 1754896), (52, 1552408), (59, 1368224), (88, 917332), (92, 877448), (104, 776204), (118, 684112), (143, 564512), (169, 477664), (176, 458666), (184, 438724), (208, 388102), (236, 342056), (253, 319072), (286, 282256), (299, 269984), (338, 238832), (352, 229333), (368, 219362), (416, 194051), (472, 171028), (506, 159536), (572, 141128), (598, 134992), (649, 124384), (676, 119416), (736, 109681), (767, 105248), (944, 85514), (1012, 79768), (1144, 70564), (1196, 67496), (1298, 62192), (1352, 59708), (1357, 59488), (1534, 52624), (1859, 43424), (1888, 42757), (2024, 39884), (2288, 35282), (2392, 33748), (2596, 31096), (2704, 29854), (2714, 29744), (3068, 26312), (3289, 24544), (3718, 21712), (3887, 20768), (4048, 19942), (4576, 17641), (4784, 16874), (5192, 15548), (5408, 14927), (5428, 14872), (6136, 13156), (6578, 12272), (7436, 10856), (7774, 10384), (8096, 9971), (8437, 9568)]