4881920

素因数分解:

$2^9\times 5^1\times {\mathrm{1907}}^1$

素因数の和:1930

約数の個数: 40

約数和(自身を含む): 11711304

約数和(自身を除く): 6829384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1907, 2560, 3814, 7628, 9535, 15256, 19070, 30512, 38140, 61024, 76280, 122048, 152560, 244096, 305120, 488192, 610240, 976384, 1220480, 2440960, 4881920]

約数ペア:

[(1, 4881920), (2, 2440960), (4, 1220480), (5, 976384), (8, 610240), (10, 488192), (16, 305120), (20, 244096), (32, 152560), (40, 122048), (64, 76280), (80, 61024), (128, 38140), (160, 30512), (256, 19070), (320, 15256), (512, 9535), (640, 7628), (1280, 3814), (1907, 2560)]