28401920

素因数分解:

$2^8\times 5^1\times {\mathrm{22189}}^1$

素因数の和:22210

約数の個数: 36

約数和(自身を含む): 68034540

約数和(自身を除く): 39632620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22189, 44378, 88756, 110945, 177512, 221890, 355024, 443780, 710048, 887560, 1420096, 1775120, 2840192, 3550240, 5680384, 7100480, 14200960, 28401920]

約数ペア:

[(1, 28401920), (2, 14200960), (4, 7100480), (5, 5680384), (8, 3550240), (10, 2840192), (16, 1775120), (20, 1420096), (32, 887560), (40, 710048), (64, 443780), (80, 355024), (128, 221890), (160, 177512), (256, 110945), (320, 88756), (640, 44378), (1280, 22189)]