28984960

素因数分解:

$2^7\times 5^1\times {\mathrm{45289}}^1$

素因数の和:45308

約数の個数: 32

約数和(自身を含む): 69293700

約数和(自身を除く): 40308740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45289, 90578, 181156, 226445, 362312, 452890, 724624, 905780, 1449248, 1811560, 2898496, 3623120, 5796992, 7246240, 14492480, 28984960]

約数ペア:

[(1, 28984960), (2, 14492480), (4, 7246240), (5, 5796992), (8, 3623120), (10, 2898496), (16, 1811560), (20, 1449248), (32, 905780), (40, 724624), (64, 452890), (80, 362312), (128, 226445), (160, 181156), (320, 90578), (640, 45289)]