257300480

素因数分解:

$2^{11}\times 5^1\times {\mathrm{25127}}^1$

素因数の和:25154

約数の個数: 48

約数和(自身を含む): 617394960

約数和(自身を除く): 360094480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 25127, 50254, 100508, 125635, 201016, 251270, 402032, 502540, 804064, 1005080, 1608128, 2010160, 3216256, 4020320, 6432512, 8040640, 12865024, 16081280, 25730048, 32162560, 51460096, 64325120, 128650240, 257300480]

約数ペア:

[(1, 257300480), (2, 128650240), (4, 64325120), (5, 51460096), (8, 32162560), (10, 25730048), (16, 16081280), (20, 12865024), (32, 8040640), (40, 6432512), (64, 4020320), (80, 3216256), (128, 2010160), (160, 1608128), (256, 1005080), (320, 804064), (512, 502540), (640, 402032), (1024, 251270), (1280, 201016), (2048, 125635), (2560, 100508), (5120, 50254), (10240, 25127)]