17620480

素因数分解:

$2^9\times 5^1\times {\mathrm{6883}}^1$

素因数の和:6906

約数の個数: 40

約数和(自身を含む): 42253992

約数和(自身を除く): 24633512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6883, 13766, 27532, 34415, 55064, 68830, 110128, 137660, 220256, 275320, 440512, 550640, 881024, 1101280, 1762048, 2202560, 3524096, 4405120, 8810240, 17620480]

約数ペア:

[(1, 17620480), (2, 8810240), (4, 4405120), (5, 3524096), (8, 2202560), (10, 1762048), (16, 1101280), (20, 881024), (32, 550640), (40, 440512), (64, 275320), (80, 220256), (128, 137660), (160, 110128), (256, 68830), (320, 55064), (512, 34415), (640, 27532), (1280, 13766), (2560, 6883)]