51738880

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 125681472

約数和(自身を除く): 73942592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 487, 640, 664, 830, 974, 1280, 1328, 1660, 1948, 2435, 2656, 3320, 3896, 4870, 5312, 6640, 7792, 9740, 10624, 13280, 15584, 19480, 21248, 26560, 31168, 38960, 40421, 53120, 62336, 77920, 80842, 106240, 124672, 155840, 161684, 202105, 311680, 323368, 404210, 623360, 646736, 808420, 1293472, 1616840, 2586944, 3233680, 5173888, 6467360, 10347776, 12934720, 25869440, 51738880]

約数ペア:

[(1, 51738880), (2, 25869440), (4, 12934720), (5, 10347776), (8, 6467360), (10, 5173888), (16, 3233680), (20, 2586944), (32, 1616840), (40, 1293472), (64, 808420), (80, 646736), (83, 623360), (128, 404210), (160, 323368), (166, 311680), (256, 202105), (320, 161684), (332, 155840), (415, 124672), (487, 106240), (640, 80842), (664, 77920), (830, 62336), (974, 53120), (1280, 40421), (1328, 38960), (1660, 31168), (1948, 26560), (2435, 21248), (2656, 19480), (3320, 15584), (3896, 13280), (4870, 10624), (5312, 9740), (6640, 7792)]