90280430

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{20107}}^1$

素因数の和:20563

約数の個数: 16

約数和(自身を含む): 162874800

約数和(自身を除く): 72594370

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 20107, 40214, 100535, 201070, 9028043, 18056086, 45140215, 90280430]

約数ペア:

[(1, 90280430), (2, 45140215), (5, 18056086), (10, 9028043), (449, 201070), (898, 100535), (2245, 40214), (4490, 20107)]