85457920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{16691}}^1$

素因数の和:16716

約数の個数: 44

約数和(自身を含む): 205011144

約数和(自身を除く): 119553224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 16691, 33382, 66764, 83455, 133528, 166910, 267056, 333820, 534112, 667640, 1068224, 1335280, 2136448, 2670560, 4272896, 5341120, 8545792, 10682240, 17091584, 21364480, 42728960, 85457920]

約数ペア:

[(1, 85457920), (2, 42728960), (4, 21364480), (5, 17091584), (8, 10682240), (10, 8545792), (16, 5341120), (20, 4272896), (32, 2670560), (40, 2136448), (64, 1335280), (80, 1068224), (128, 667640), (160, 534112), (256, 333820), (320, 267056), (512, 166910), (640, 133528), (1024, 83455), (1280, 66764), (2560, 33382), (5120, 16691)]