8894140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1013}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 18738720

約数和(自身を除く): 9844580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1013, 1756, 2026, 2195, 4052, 4390, 5065, 8780, 10130, 20260, 444707, 889414, 1778828, 2223535, 4447070, 8894140]

約数ペア:

[(1, 8894140), (2, 4447070), (4, 2223535), (5, 1778828), (10, 889414), (20, 444707), (439, 20260), (878, 10130), (1013, 8780), (1756, 5065), (2026, 4390), (2195, 4052)]