851889820

素因数分解:

$2^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{26407}}^1$

素因数の和:28029

約数の個数: 24

約数和(自身を含む): 1790145504

約数和(自身を除く): 938255684

約数列:

[1, 2, 4, 5, 10, 20, 1613, 3226, 6452, 8065, 16130, 26407, 32260, 52814, 105628, 132035, 264070, 528140, 42594491, 85188982, 170377964, 212972455, 425944910, 851889820]

約数ペア:

[(1, 851889820), (2, 425944910), (4, 212972455), (5, 170377964), (10, 85188982), (20, 42594491), (1613, 528140), (3226, 264070), (6452, 132035), (8065, 105628), (16130, 52814), (26407, 32260)]