11157680

素因数分解:

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

素因数の和:885

約数の個数: 40

約数和(自身を含む): 26103984

約数和(自身を除く): 14946304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 661, 844, 1055, 1322, 1688, 2110, 2644, 3305, 3376, 4220, 5288, 6610, 8440, 10576, 13220, 16880, 26440, 52880, 139471, 278942, 557884, 697355, 1115768, 1394710, 2231536, 2789420, 5578840, 11157680]

約数ペア:

[(1, 11157680), (2, 5578840), (4, 2789420), (5, 2231536), (8, 1394710), (10, 1115768), (16, 697355), (20, 557884), (40, 278942), (80, 139471), (211, 52880), (422, 26440), (661, 16880), (844, 13220), (1055, 10576), (1322, 8440), (1688, 6610), (2110, 5288), (2644, 4220), (3305, 3376)]