6461440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{631}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 15528240

約数和(自身を除く): 9066800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 631, 640, 1024, 1262, 1280, 2048, 2524, 2560, 3155, 5048, 5120, 6310, 10096, 10240, 12620, 20192, 25240, 40384, 50480, 80768, 100960, 161536, 201920, 323072, 403840, 646144, 807680, 1292288, 1615360, 3230720, 6461440]

約数ペア:

[(1, 6461440), (2, 3230720), (4, 1615360), (5, 1292288), (8, 807680), (10, 646144), (16, 403840), (20, 323072), (32, 201920), (40, 161536), (64, 100960), (80, 80768), (128, 50480), (160, 40384), (256, 25240), (320, 20192), (512, 12620), (631, 10240), (640, 10096), (1024, 6310), (1262, 5120), (1280, 5048), (2048, 3155), (2524, 2560)]