51735760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 128898000

約数和(自身を除く): 77162240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 349, 436, 545, 680, 698, 872, 1090, 1360, 1396, 1744, 1745, 1853, 2180, 2792, 3490, 3706, 4360, 5584, 5933, 6980, 7412, 8720, 9265, 11866, 13960, 14824, 18530, 23732, 27920, 29648, 29665, 37060, 38041, 47464, 59330, 74120, 76082, 94928, 118660, 148240, 152164, 190205, 237320, 304328, 380410, 474640, 608656, 646697, 760820, 1293394, 1521640, 2586788, 3043280, 3233485, 5173576, 6466970, 10347152, 12933940, 25867880, 51735760]

約数ペア:

[(1, 51735760), (2, 25867880), (4, 12933940), (5, 10347152), (8, 6466970), (10, 5173576), (16, 3233485), (17, 3043280), (20, 2586788), (34, 1521640), (40, 1293394), (68, 760820), (80, 646697), (85, 608656), (109, 474640), (136, 380410), (170, 304328), (218, 237320), (272, 190205), (340, 152164), (349, 148240), (436, 118660), (545, 94928), (680, 76082), (698, 74120), (872, 59330), (1090, 47464), (1360, 38041), (1396, 37060), (1744, 29665), (1745, 29648), (1853, 27920), (2180, 23732), (2792, 18530), (3490, 14824), (3706, 13960), (4360, 11866), (5584, 9265), (5933, 8720), (6980, 7412)]