87138400

素因数分解:

$2^5\times 5^2\times {\mathrm{108923}}^1$

素因数の和:108943

約数の個数: 36

約数和(自身を含む): 212728572

約数和(自身を除く): 125590172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 108923, 217846, 435692, 544615, 871384, 1089230, 1742768, 2178460, 2723075, 3485536, 4356920, 5446150, 8713840, 10892300, 17427680, 21784600, 43569200, 87138400]

約数ペア:

[(1, 87138400), (2, 43569200), (4, 21784600), (5, 17427680), (8, 10892300), (10, 8713840), (16, 5446150), (20, 4356920), (25, 3485536), (32, 2723075), (40, 2178460), (50, 1742768), (80, 1089230), (100, 871384), (160, 544615), (200, 435692), (400, 217846), (800, 108923)]