10001920

素因数分解:

$2^9\times 5^1\times {\mathrm{3907}}^1$

素因数の和:3930

約数の個数: 40

約数和(自身を含む): 23987304

約数和(自身を除く): 13985384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 3907, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 125024, 156280, 250048, 312560, 500096, 625120, 1000192, 1250240, 2000384, 2500480, 5000960, 10001920]

約数ペア:

[(1, 10001920), (2, 5000960), (4, 2500480), (5, 2000384), (8, 1250240), (10, 1000192), (16, 625120), (20, 500096), (32, 312560), (40, 250048), (64, 156280), (80, 125024), (128, 78140), (160, 62512), (256, 39070), (320, 31256), (512, 19535), (640, 15628), (1280, 7814), (2560, 3907)]