2570240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{251}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 6191640

約数和(自身を除く): 3621400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 256, 320, 502, 512, 640, 1004, 1024, 1255, 1280, 2008, 2048, 2510, 2560, 4016, 5020, 5120, 8032, 10040, 10240, 16064, 20080, 32128, 40160, 64256, 80320, 128512, 160640, 257024, 321280, 514048, 642560, 1285120, 2570240]

約数ペア:

[(1, 2570240), (2, 1285120), (4, 642560), (5, 514048), (8, 321280), (10, 257024), (16, 160640), (20, 128512), (32, 80320), (40, 64256), (64, 40160), (80, 32128), (128, 20080), (160, 16064), (251, 10240), (256, 10040), (320, 8032), (502, 5120), (512, 5020), (640, 4016), (1004, 2560), (1024, 2510), (1255, 2048), (1280, 2008)]