28705120

素因数分解:

$2^5\times 5^1\times {\mathrm{179407}}^1$

素因数の和:179422

約数の個数: 24

約数和(自身を含む): 67816224

約数和(自身を除く): 39111104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179407, 358814, 717628, 897035, 1435256, 1794070, 2870512, 3588140, 5741024, 7176280, 14352560, 28705120]

約数ペア:

[(1, 28705120), (2, 14352560), (4, 7176280), (5, 5741024), (8, 3588140), (10, 2870512), (16, 1794070), (20, 1435256), (32, 897035), (40, 717628), (80, 358814), (160, 179407)]