129287440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{19471}}^1$

素因数の和:19567

約数の個数: 40

約数和(自身を含む): 304230528

約数和(自身を除く): 174943088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 19471, 38942, 77884, 97355, 155768, 194710, 311536, 389420, 778840, 1557680, 1616093, 3232186, 6464372, 8080465, 12928744, 16160930, 25857488, 32321860, 64643720, 129287440]

約数ペア:

[(1, 129287440), (2, 64643720), (4, 32321860), (5, 25857488), (8, 16160930), (10, 12928744), (16, 8080465), (20, 6464372), (40, 3232186), (80, 1616093), (83, 1557680), (166, 778840), (332, 389420), (415, 311536), (664, 194710), (830, 155768), (1328, 97355), (1660, 77884), (3320, 38942), (6640, 19471)]