28698050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{6449}}^1$

素因数の和:6550

約数の個数: 24

約数和(自身を含む): 53986500

約数和(自身を除く): 25288450

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 6449, 12898, 32245, 64490, 161225, 322450, 573961, 1147922, 2869805, 5739610, 14349025, 28698050]

約数ペア:

[(1, 28698050), (2, 14349025), (5, 5739610), (10, 2869805), (25, 1147922), (50, 573961), (89, 322450), (178, 161225), (445, 64490), (890, 32245), (2225, 12898), (4450, 6449)]