25869440

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 62717760

約数和(自身を除く): 36848320

約数列:

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

約数ペア:

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