5136400

素因数分解:

$2^4\times 5^2\times {\mathrm{12841}}^1$

素因数の和:12859

約数の個数: 30

約数和(自身を含む): 12341162

約数和(自身を除く): 7204762

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 12841, 25682, 51364, 64205, 102728, 128410, 205456, 256820, 321025, 513640, 642050, 1027280, 1284100, 2568200, 5136400]

約数ペア:

[(1, 5136400), (2, 2568200), (4, 1284100), (5, 1027280), (8, 642050), (10, 513640), (16, 321025), (20, 256820), (25, 205456), (40, 128410), (50, 102728), (80, 64205), (100, 51364), (200, 25682), (400, 12841)]