64145920

素因数分解:

$2^9\times 5^1\times {\mathrm{25057}}^1$

素因数の和:25080

約数の個数: 40

約数和(自身を含む): 153806004

約数和(自身を除く): 89660084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25057, 50114, 100228, 125285, 200456, 250570, 400912, 501140, 801824, 1002280, 1603648, 2004560, 3207296, 4009120, 6414592, 8018240, 12829184, 16036480, 32072960, 64145920]

約数ペア:

[(1, 64145920), (2, 32072960), (4, 16036480), (5, 12829184), (8, 8018240), (10, 6414592), (16, 4009120), (20, 3207296), (32, 2004560), (40, 1603648), (64, 1002280), (80, 801824), (128, 501140), (160, 400912), (256, 250570), (320, 200456), (512, 125285), (640, 100228), (1280, 50114), (2560, 25057)]