814504960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{257}}^1\times {\mathrm{619}}^1$

素因数の和:901

約数の個数: 88

約数和(自身を含む): 1964628720

約数和(自身を除く): 1150123760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 257, 320, 512, 514, 619, 640, 1024, 1028, 1238, 1280, 1285, 2056, 2476, 2560, 2570, 3095, 4112, 4952, 5120, 5140, 6190, 8224, 9904, 10280, 12380, 16448, 19808, 20560, 24760, 32896, 39616, 41120, 49520, 65792, 79232, 82240, 99040, 131584, 158464, 159083, 164480, 198080, 263168, 316928, 318166, 328960, 396160, 633856, 636332, 657920, 792320, 795415, 1272664, 1315840, 1584640, 1590830, 2545328, 3169280, 3181660, 5090656, 6363320, 10181312, 12726640, 20362624, 25453280, 40725248, 50906560, 81450496, 101813120, 162900992, 203626240, 407252480, 814504960]

約数ペア:

[(1, 814504960), (2, 407252480), (4, 203626240), (5, 162900992), (8, 101813120), (10, 81450496), (16, 50906560), (20, 40725248), (32, 25453280), (40, 20362624), (64, 12726640), (80, 10181312), (128, 6363320), (160, 5090656), (256, 3181660), (257, 3169280), (320, 2545328), (512, 1590830), (514, 1584640), (619, 1315840), (640, 1272664), (1024, 795415), (1028, 792320), (1238, 657920), (1280, 636332), (1285, 633856), (2056, 396160), (2476, 328960), (2560, 318166), (2570, 316928), (3095, 263168), (4112, 198080), (4952, 164480), (5120, 159083), (5140, 158464), (6190, 131584), (8224, 99040), (9904, 82240), (10280, 79232), (12380, 65792), (16448, 49520), (19808, 41120), (20560, 39616), (24760, 32896)]