51121360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7699}}^1$

素因数の和:7795

約数の個数: 40

約数和(自身を含む): 120304800

約数和(自身を除く): 69183440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 7699, 15398, 30796, 38495, 61592, 76990, 123184, 153980, 307960, 615920, 639017, 1278034, 2556068, 3195085, 5112136, 6390170, 10224272, 12780340, 25560680, 51121360]

約数ペア:

[(1, 51121360), (2, 25560680), (4, 12780340), (5, 10224272), (8, 6390170), (10, 5112136), (16, 3195085), (20, 2556068), (40, 1278034), (80, 639017), (83, 615920), (166, 307960), (332, 153980), (415, 123184), (664, 76990), (830, 61592), (1328, 38495), (1660, 30796), (3320, 15398), (6640, 7699)]