55788400

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 60

約数和(自身を含む): 134870584

約数和(自身を除く): 79082184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 661, 844, 1055, 1322, 1688, 2110, 2644, 3305, 3376, 4220, 5275, 5288, 6610, 8440, 10550, 10576, 13220, 16525, 16880, 21100, 26440, 33050, 42200, 52880, 66100, 84400, 132200, 139471, 264400, 278942, 557884, 697355, 1115768, 1394710, 2231536, 2789420, 3486775, 5578840, 6973550, 11157680, 13947100, 27894200, 55788400]

約数ペア:

[(1, 55788400), (2, 27894200), (4, 13947100), (5, 11157680), (8, 6973550), (10, 5578840), (16, 3486775), (20, 2789420), (25, 2231536), (40, 1394710), (50, 1115768), (80, 697355), (100, 557884), (200, 278942), (211, 264400), (400, 139471), (422, 132200), (661, 84400), (844, 66100), (1055, 52880), (1322, 42200), (1688, 33050), (2110, 26440), (2644, 21100), (3305, 16880), (3376, 16525), (4220, 13220), (5275, 10576), (5288, 10550), (6610, 8440)]