551620480

素因数分解:

$2^7\times 5^1\times {\mathrm{861907}}^1$

素因数の和:861926

約数の個数: 32

約数和(自身を含む): 1318719240

約数和(自身を除く): 767098760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 861907, 1723814, 3447628, 4309535, 6895256, 8619070, 13790512, 17238140, 27581024, 34476280, 55162048, 68952560, 110324096, 137905120, 275810240, 551620480]

約数ペア:

[(1, 551620480), (2, 275810240), (4, 137905120), (5, 110324096), (8, 68952560), (10, 55162048), (16, 34476280), (20, 27581024), (32, 17238140), (40, 13790512), (64, 8619070), (80, 6895256), (128, 4309535), (160, 3447628), (320, 1723814), (640, 861907)]