2025640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 4617000

約数和(自身を除く): 2591360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 569, 712, 890, 1138, 1780, 2276, 2845, 3560, 4552, 5690, 11380, 22760, 50641, 101282, 202564, 253205, 405128, 506410, 1012820, 2025640]

約数ペア:

[(1, 2025640), (2, 1012820), (4, 506410), (5, 405128), (8, 253205), (10, 202564), (20, 101282), (40, 50641), (89, 22760), (178, 11380), (356, 5690), (445, 4552), (569, 3560), (712, 2845), (890, 2276), (1138, 1780)]