81925280

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9661}}^1$

素因数の和:9729

約数の個数: 48

約数和(自身を含む): 197220744

約数和(自身を除く): 115295464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 9661, 19322, 38644, 48305, 77288, 96610, 154576, 193220, 309152, 386440, 512033, 772880, 1024066, 1545760, 2048132, 2560165, 4096264, 5120330, 8192528, 10240660, 16385056, 20481320, 40962640, 81925280]

約数ペア:

[(1, 81925280), (2, 40962640), (4, 20481320), (5, 16385056), (8, 10240660), (10, 8192528), (16, 5120330), (20, 4096264), (32, 2560165), (40, 2048132), (53, 1545760), (80, 1024066), (106, 772880), (160, 512033), (212, 386440), (265, 309152), (424, 193220), (530, 154576), (848, 96610), (1060, 77288), (1696, 48305), (2120, 38644), (4240, 19322), (8480, 9661)]