128426600

素因数分解:

$2^3\times 5^2\times {\mathrm{642133}}^1$

素因数の和:642149

約数の個数: 24

約数和(自身を含む): 298592310

約数和(自身を除く): 170165710

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 642133, 1284266, 2568532, 3210665, 5137064, 6421330, 12842660, 16053325, 25685320, 32106650, 64213300, 128426600]

約数ペア:

[(1, 128426600), (2, 64213300), (4, 32106650), (5, 25685320), (8, 16053325), (10, 12842660), (20, 6421330), (25, 5137064), (40, 3210665), (50, 2568532), (100, 1284266), (200, 642133)]