1681622210

素因数分解:

$2^1\times 5^1\times {\mathrm{8089}}^1\times {\mathrm{20789}}^1$

素因数の和:28885

約数の個数: 16

約数和(自身を含む): 3027439800

約数和(自身を除く): 1345817590

約数列:

[1, 2, 5, 10, 8089, 16178, 20789, 40445, 41578, 80890, 103945, 207890, 168162221, 336324442, 840811105, 1681622210]

約数ペア:

[(1, 1681622210), (2, 840811105), (5, 336324442), (10, 168162221), (8089, 207890), (16178, 103945), (20789, 80890), (40445, 41578)]