80392144

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 90

約数和(自身を含む): 188761542

約数和(自身を除く): 108369398

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 61, 82, 98, 112, 122, 164, 196, 244, 287, 328, 392, 427, 488, 574, 656, 784, 854, 976, 1148, 1681, 1708, 2009, 2296, 2501, 2989, 3362, 3416, 4018, 4592, 5002, 5978, 6724, 6832, 8036, 10004, 11767, 11956, 13448, 16072, 17507, 20008, 23534, 23912, 26896, 32144, 35014, 40016, 47068, 47824, 70028, 82369, 94136, 102541, 122549, 140056, 164738, 188272, 205082, 245098, 280112, 329476, 410164, 490196, 658952, 717787, 820328, 980392, 1317904, 1435574, 1640656, 1960784, 2871148, 5024509, 5742296, 10049018, 11484592, 20098036, 40196072, 80392144]

約数ペア:

[(1, 80392144), (2, 40196072), (4, 20098036), (7, 11484592), (8, 10049018), (14, 5742296), (16, 5024509), (28, 2871148), (41, 1960784), (49, 1640656), (56, 1435574), (61, 1317904), (82, 980392), (98, 820328), (112, 717787), (122, 658952), (164, 490196), (196, 410164), (244, 329476), (287, 280112), (328, 245098), (392, 205082), (427, 188272), (488, 164738), (574, 140056), (656, 122549), (784, 102541), (854, 94136), (976, 82369), (1148, 70028), (1681, 47824), (1708, 47068), (2009, 40016), (2296, 35014), (2501, 32144), (2989, 26896), (3362, 23912), (3416, 23534), (4018, 20008), (4592, 17507), (5002, 16072), (5978, 13448), (6724, 11956), (6832, 11767), (8036, 10004)]