1800428120

素因数分解:

$2^3\times 5^1\times {\mathrm{45010703}}^1$

素因数の和:45010714

約数の個数: 16

約数和(自身を含む): 4050963360

約数和(自身を除く): 2250535240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 45010703, 90021406, 180042812, 225053515, 360085624, 450107030, 900214060, 1800428120]

約数ペア:

[(1, 1800428120), (2, 900214060), (4, 450107030), (5, 360085624), (8, 225053515), (10, 180042812), (20, 90021406), (40, 45010703)]