82468480

素因数分解:

$2^7\times 5^1\times {\mathrm{128857}}^1$

素因数の和:128876

約数の個数: 32

約数和(自身を含む): 197152740

約数和(自身を除く): 114684260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 128857, 257714, 515428, 644285, 1030856, 1288570, 2061712, 2577140, 4123424, 5154280, 8246848, 10308560, 16493696, 20617120, 41234240, 82468480]

約数ペア:

[(1, 82468480), (2, 41234240), (4, 20617120), (5, 16493696), (8, 10308560), (10, 8246848), (16, 5154280), (20, 4123424), (32, 2577140), (40, 2061712), (64, 1288570), (80, 1030856), (128, 644285), (160, 515428), (320, 257714), (640, 128857)]