20132550400

素因数分解:

$2^8\times 5^2\times {\mathrm{3145711}}^1$

素因数の和:3145737

約数の個数: 54

約数和(自身を含む): 49831223792

約数和(自身を除く): 29698673392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 3145711, 6291422, 12582844, 15728555, 25165688, 31457110, 50331376, 62914220, 78642775, 100662752, 125828440, 157285550, 201325504, 251656880, 314571100, 402651008, 503313760, 629142200, 805302016, 1006627520, 1258284400, 2013255040, 2516568800, 4026510080, 5033137600, 10066275200, 20132550400]

約数ペア:

[(1, 20132550400), (2, 10066275200), (4, 5033137600), (5, 4026510080), (8, 2516568800), (10, 2013255040), (16, 1258284400), (20, 1006627520), (25, 805302016), (32, 629142200), (40, 503313760), (50, 402651008), (64, 314571100), (80, 251656880), (100, 201325504), (128, 157285550), (160, 125828440), (200, 100662752), (256, 78642775), (320, 62914220), (400, 50331376), (640, 31457110), (800, 25165688), (1280, 15728555), (1600, 12582844), (3200, 6291422), (6400, 3145711)]