82161920

素因数分解:

$2^8\times 5^1\times {\mathrm{64189}}^1$

素因数の和:64210

約数の個数: 36

約数和(自身を含む): 196806540

約数和(自身を除く): 114644620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 64189, 128378, 256756, 320945, 513512, 641890, 1027024, 1283780, 2054048, 2567560, 4108096, 5135120, 8216192, 10270240, 16432384, 20540480, 41080960, 82161920]

約数ペア:

[(1, 82161920), (2, 41080960), (4, 20540480), (5, 16432384), (8, 10270240), (10, 8216192), (16, 5135120), (20, 4108096), (32, 2567560), (40, 2054048), (64, 1283780), (80, 1027024), (128, 641890), (160, 513512), (256, 320945), (320, 256756), (640, 128378), (1280, 64189)]