28704880

素因数分解:

$2^4\times 5^1\times {\mathrm{358811}}^1$

素因数の和:358824

約数の個数: 20

約数和(自身を含む): 66739032

約数和(自身を除く): 38034152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358811, 717622, 1435244, 1794055, 2870488, 3588110, 5740976, 7176220, 14352440, 28704880]

約数ペア:

[(1, 28704880), (2, 14352440), (4, 7176220), (5, 5740976), (8, 3588110), (10, 2870488), (16, 1794055), (20, 1435244), (40, 717622), (80, 358811)]