26931980

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4969}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 56777280

約数和(自身を除く): 29845300

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 4969, 5420, 9938, 19876, 24845, 49690, 99380, 1346599, 2693198, 5386396, 6732995, 13465990, 26931980]

約数ペア:

[(1, 26931980), (2, 13465990), (4, 6732995), (5, 5386396), (10, 2693198), (20, 1346599), (271, 99380), (542, 49690), (1084, 24845), (1355, 19876), (2710, 9938), (4969, 5420)]