1640055872

素因数分解:

$2^6\times 7^4\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:874

約数の個数: 140

約数和(自身を含む): 4093706316

約数和(自身を除く): 2453650444

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 343, 364, 392, 416, 448, 637, 686, 728, 784, 821, 832, 1274, 1372, 1456, 1568, 1642, 2401, 2548, 2744, 2912, 3136, 3284, 4459, 4802, 5096, 5488, 5747, 5824, 6568, 8918, 9604, 10192, 10673, 10976, 11494, 13136, 17836, 19208, 20384, 21346, 21952, 22988, 26272, 31213, 35672, 38416, 40229, 40768, 42692, 45976, 52544, 62426, 71344, 74711, 76832, 80458, 85384, 91952, 124852, 142688, 149422, 153664, 160916, 170768, 183904, 249704, 281603, 285376, 298844, 321832, 341536, 367808, 499408, 522977, 563206, 597688, 643664, 683072, 998816, 1045954, 1126412, 1195376, 1287328, 1971221, 1997632, 2091908, 2252824, 2390752, 2574656, 3660839, 3942442, 4183816, 4505648, 4781504, 7321678, 7884884, 8367632, 9011296, 14643356, 15769768, 16735264, 18022592, 25625873, 29286712, 31539536, 33470528, 51251746, 58573424, 63079072, 102503492, 117146848, 126158144, 205006984, 234293696, 410013968, 820027936, 1640055872]

約数ペア:

[(1, 1640055872), (2, 820027936), (4, 410013968), (7, 234293696), (8, 205006984), (13, 126158144), (14, 117146848), (16, 102503492), (26, 63079072), (28, 58573424), (32, 51251746), (49, 33470528), (52, 31539536), (56, 29286712), (64, 25625873), (91, 18022592), (98, 16735264), (104, 15769768), (112, 14643356), (182, 9011296), (196, 8367632), (208, 7884884), (224, 7321678), (343, 4781504), (364, 4505648), (392, 4183816), (416, 3942442), (448, 3660839), (637, 2574656), (686, 2390752), (728, 2252824), (784, 2091908), (821, 1997632), (832, 1971221), (1274, 1287328), (1372, 1195376), (1456, 1126412), (1568, 1045954), (1642, 998816), (2401, 683072), (2548, 643664), (2744, 597688), (2912, 563206), (3136, 522977), (3284, 499408), (4459, 367808), (4802, 341536), (5096, 321832), (5488, 298844), (5747, 285376), (5824, 281603), (6568, 249704), (8918, 183904), (9604, 170768), (10192, 160916), (10673, 153664), (10976, 149422), (11494, 142688), (13136, 124852), (17836, 91952), (19208, 85384), (20384, 80458), (21346, 76832), (21952, 74711), (22988, 71344), (26272, 62426), (31213, 52544), (35672, 45976), (38416, 42692), (40229, 40768)]