676376420

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{16189}}^1$

素因数の和:18287

約数の個数: 24

約数和(自身を含む): 1421158200

約数和(自身を除く): 744781780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 8356, 10445, 16189, 20890, 32378, 41780, 64756, 80945, 161890, 323780, 33818821, 67637642, 135275284, 169094105, 338188210, 676376420]

約数ペア:

[(1, 676376420), (2, 338188210), (4, 169094105), (5, 135275284), (10, 67637642), (20, 33818821), (2089, 323780), (4178, 161890), (8356, 80945), (10445, 64756), (16189, 41780), (20890, 32378)]