40767920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26821}}^1$

素因数の和:26853

約数の個数: 40

約数和(自身を含む): 99777840

約数和(自身を除く): 59009920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26821, 53642, 107284, 134105, 214568, 268210, 429136, 509599, 536420, 1019198, 1072840, 2038396, 2145680, 2547995, 4076792, 5095990, 8153584, 10191980, 20383960, 40767920]

約数ペア:

[(1, 40767920), (2, 20383960), (4, 10191980), (5, 8153584), (8, 5095990), (10, 4076792), (16, 2547995), (19, 2145680), (20, 2038396), (38, 1072840), (40, 1019198), (76, 536420), (80, 509599), (95, 429136), (152, 268210), (190, 214568), (304, 134105), (380, 107284), (760, 53642), (1520, 26821)]