8541080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 20520000

約数和(自身を除く): 11978920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 199, 232, 290, 296, 370, 398, 580, 740, 796, 995, 1073, 1160, 1480, 1592, 1990, 2146, 3980, 4292, 5365, 5771, 7363, 7960, 8584, 10730, 11542, 14726, 21460, 23084, 28855, 29452, 36815, 42920, 46168, 57710, 58904, 73630, 115420, 147260, 213527, 230840, 294520, 427054, 854108, 1067635, 1708216, 2135270, 4270540, 8541080]

約数ペア:

[(1, 8541080), (2, 4270540), (4, 2135270), (5, 1708216), (8, 1067635), (10, 854108), (20, 427054), (29, 294520), (37, 230840), (40, 213527), (58, 147260), (74, 115420), (116, 73630), (145, 58904), (148, 57710), (185, 46168), (199, 42920), (232, 36815), (290, 29452), (296, 28855), (370, 23084), (398, 21460), (580, 14726), (740, 11542), (796, 10730), (995, 8584), (1073, 7960), (1160, 7363), (1480, 5771), (1592, 5365), (1990, 4292), (2146, 3980)]